STi
2015-2021
Packages, constructed to build your vehicle to set limits, can be found below. Contact us today to learn more about what we can do for your vehicle and get a custom quote!
Contact Us Today For A Custom Quote!Packages
Stock Short Block About These Packages These packages use the stock short block, turbochargers, and other supporting modifications to significantly increase performance by safely forcing compressed air into the engine.
Stage 1 | Up to 345hp*
Up to +40hp*
$2,099* – Includes Installation & TuningStage 2 | Up to 365hp*
Up to +60hp*
$4,799* – Includes Installation & TuningStage 3 | Up to 375hp*
Up to +70hp*
$7,399* – Includes Installation & TuningStage 4 | Up to 405hp*
Up to +100hp*
$8,899* – Includes Installation & Tuning IAG Short Block - With Upgrades About These Packages These packages use an aftermarket, built short block, turbochargers, and other supporting modifications to significantly increase performance by safely forcing compressed air into the engine.
Stage 1 | Up to 415hp*
Up to +110hp*
$17,599* – Includes Installation & TuningStage 2 | Up to 465hp*
Up to +160hp*
$19,799* – Includes Installation & Tuning IAG Short Block - Stand Alone About These Packages These packages use an aftermarket, built short block, turbochargers, and other supporting modifications to significantly increase performance by safely forcing compressed air into the engine.
Stage 1 | Rated For 500bhp/425awhp*
Open Deck
$8,699* – Includes Installation & TuningStage 2 | Rated For 575bhp/500awhp*
Open Deck
$8,899* – Includes Installation & TuningStage 2 | Rated For 600bhp/525awhp*
Tuff - Open Deck
$9,199* – Includes Installation & TuningStage 2.5 | Rated For 700bhp/625awhp*
Closed Deck
$9,799* – Includes Installation & Tuning$2,099* – Includes Installation & Tuning
Includes
- COBB Tuning SF air-intake system
- COBB Tuning SF airbox
- COBB Tuning 3-port electronic boost control solenoid
- COBB Tuning Accessport V3 with custom Protune
- Protune via COBB Tuning Accessport V3
- Pre-work dyno runs to establish baseline horsepower & torque
- Professional installation by National Speed Performance Technicians
- Professional calibration by National Speed Calibration Team on our DynoJet 424xLC2 dyno
- National Speed’s project documentation access – pictures, videos, and dyno graphs
- National Speed’s 12-month/12,000 mile vehicle program warranty
- All necessary and correct fluids
- ADDITIONAL OPTIONS AVAILABLE
Ask Your Performance Consultant
*Pricing shown does not include applicable taxes, shipping and shop fees. - *To be consistent with original manufacturer practices, our performance packages are displayed in brake horsepower (i.e., at the engine), and are advertised as an estimated increase over factory performance ratings. Displayed increases are based on our experience with previous projects. Your results may vary in either direction - sometimes significantly - for a variety of reasons including, but not limited to, the inherent variability of performance with mass-produced vehicles, atmospheric conditions, gasoline quality, pre-existing modifications, vehicle history & maintenance, and more.
$4,799* – Includes Installation & Tuning
Includes
- COBB Tuning SF air-intake system
- COBB Tuning SF airbox
- COBB Tuning 3-port electronic boost control solenoid
- COBB Tuning down-pipe with integrated EPA compliant GESi G-Sport catalytic converter
- Injector Dynamic ID1050x fuel injectors with plug-and-play adapters
- AEM Performance 340lph E85 compatible in-tank fuel pump
- COBB Tuning upgraded fuel pressure regulator system
- OEM Subaru gaskets, fluids, and hardware required for installation, including turbocharger outlet hardware
- COBB Tuning Accessport V3 with custom Protune
- Protune via COBB Tuning Accessport V3
- Pre-work dyno runs to establish baseline horsepower & torque
- Professional installation by National Speed Performance Technicians
- Professional calibration by National Speed Calibration Team on our DynoJet 424xLC2 dyno
- National Speed’s project documentation access – pictures, videos, and dyno graphs
- National Speed’s 12-month/12,000 mile vehicle program warranty
- All necessary and correct fluids
- ADDITIONAL OPTIONS AVAILABLE
Ask Your Performance Consultant
*Pricing shown does not include applicable taxes, shipping and shop fees. - *To be consistent with original manufacturer practices, our performance packages are displayed in brake horsepower (i.e., at the engine), and are advertised as an estimated increase over factory performance ratings. Displayed increases are based on our experience with previous projects. Your results may vary in either direction - sometimes significantly - for a variety of reasons including, but not limited to, the inherent variability of performance with mass-produced vehicles, atmospheric conditions, gasoline quality, pre-existing modifications, vehicle history & maintenance, and more.
$7,399* – Includes Installation & Tuning
Includes
- COBB Tuning turbocharger inlet tube
- COBB Tuning SF air-intake system
- COBB Tuning SF airbox
- COBB Tuning 3-port electronic boost control solenoid
- Process West top-mount intercooler upgrade
- PERRIN Performance pitch stop mount brace with braided stainless steel clutch line
- OEM Subaru FIA Group N pitch stop mount
- IAG Performance V3 Street Series air/oil separator
- COBB Tuning down-pipe with integrated EPA compliant GESi G-Sport catalytic converter
- Injector Dynamic ID1050x fuel injectors with plug-and-play adapters
- AEM Performance 340lph E85 compatible in-tank fuel pump
- COBB Tuning upgraded fuel pressure regulator system
- OEM Subaru gaskets, fluids, and hardware required for installation, including turbocharger outlet hardware
- COBB Tuning Accessport V3 with custom Protune
- Protune via COBB Tuning Accessport V3
- Pre-work dyno runs to establish baseline horsepower & torque
- Professional installation by National Speed Performance Technicians
- Professional calibration by National Speed Calibration Team on our DynoJet 424xLC2 dyno
- National Speed’s project documentation access – pictures, videos, and dyno graphs
- National Speed’s 12-month/12,000 mile vehicle program warranty
- All necessary and correct fluids
- ADDITIONAL OPTIONS AVAILABLE
Ask Your Performance Consultant
*Pricing shown does not include applicable taxes, shipping and shop fees. - *To be consistent with original manufacturer practices, our performance packages are displayed in brake horsepower (i.e., at the engine), and are advertised as an estimated increase over factory performance ratings. Displayed increases are based on our experience with previous projects. Your results may vary in either direction - sometimes significantly - for a variety of reasons including, but not limited to, the inherent variability of performance with mass-produced vehicles, atmospheric conditions, gasoline quality, pre-existing modifications, vehicle history & maintenance, and more.
$8,899* – Includes Installation & Tuning
Includes
- Forced Performance FP Blue turbocharger
- COBB Tuning turbocharger inlet tube
- COBB Tuning SF air-intake system
- COBB Tuning SF airbox
- COBB Tuning 3-port electronic boost control solenoid
- Process West top-mount intercooler upgrade
- PERRIN Performance pitch stop mount brace with braided stainless steel clutch line
- OEM Subaru FIA Group N pitch stop mount
- IAG Performance V3 Street Series air/oil separator
- COBB Tuning down-pipe with integrated EPA compliant GESi G-Sport catalytic converter
- Injector Dynamic ID1050x fuel injectors with plug-and-play adapters
- AEM Performance 340lph E85 compatible in-tank fuel pump
- COBB Tuning upgraded fuel pressure regulator system
- OEM Subaru gaskets, fluids, and hardware required for installation, including turbocharger outlet hardware
- COBB Tuning Accessport V3 with custom Protune
- Protune via COBB Tuning Accessport V3
- Pre-work dyno runs to establish baseline horsepower & torque
- Professional installation by National Speed Performance Technicians
- Professional calibration by National Speed Calibration Team on our DynoJet 424xLC2 dyno
- National Speed’s project documentation access – pictures, videos, and dyno graphs
- National Speed’s 12-month/12,000 mile vehicle program warranty
- All necessary and correct fluids
- ADDITIONAL OPTIONS AVAILABLE
Ask Your Performance Consultant
*Pricing shown does not include applicable taxes, shipping and shop fees. - *To be consistent with original manufacturer practices, our performance packages are displayed in brake horsepower (i.e., at the engine), and are advertised as an estimated increase over factory performance ratings. Displayed increases are based on our experience with previous projects. Your results may vary in either direction - sometimes significantly - for a variety of reasons including, but not limited to, the inherent variability of performance with mass-produced vehicles, atmospheric conditions, gasoline quality, pre-existing modifications, vehicle history & maintenance, and more.
$17,599* – Includes Installation & Tuning
Includes
- IAG Performance Stage-1 built short block
- ARP 2000 Series cylinder head studs
- OEM Subaru 11mm engine oil pump
- IAG Performance V2 stainless steel oil pickup tube
- OEM Subaru water pump
- OEM Subaru timing components (idlers, tensioner, etc.) with Gates Racing RPM (Blue) belt
- GDT cylinder 4 chamber cooling system.
- NGK LFR7AIX spark plugs
- ACT XACT Streetlite 15.50lb flywheel
- ACT HDSS clutch assembly (522lbft capacity)
- Forced Performance FP Blue turbocharger
- COBB Tuning turbocharger inlet tube
- COBB Tuning SF air-intake system
- COBB Tuning SF airbox
- COBB Tuning 3-port electronic boost control solenoid
- Process West top-mount intercooler upgrade
- PERRIN Performance pitch stop mount brace with braided stainless steel clutch line
- OEM Subaru FIA Group N pitch stop mount
- IAG Performance V3 Street Series air/oil separator
- COBB Tuning down-pipe with integrated EPA compliant GESi G-Sport catalytic converter
- Injector Dynamic ID1050x fuel injectors with plug-and-play adapters
- AEM Performance 340lph E85 compatible in-tank fuel pump
- COBB Tuning upgraded fuel pressure regulator system
- OEM Subaru gaskets, fluids, and hardware required for installation, including turbocharger outlet hardware
- COBB Tuning Accessport V3 with custom Protune
- Protune via COBB Tuning Accessport V3
- Pre-work dyno runs to establish baseline horsepower & torque
- Professional installation by National Speed Performance Technicians
- Professional calibration by National Speed Calibration Team on our DynoJet 424xLC2 dyno
- National Speed’s project documentation access – pictures, videos, and dyno graphs
- National Speed’s 12-month/12,000 mile vehicle program warranty
- All necessary and correct fluids
- ADDITIONAL OPTIONS AVAILABLE
Ask Your Performance Consultant
*Pricing shown does not include applicable taxes, shipping and shop fees. - *To be consistent with original manufacturer practices, our performance packages are displayed in brake horsepower (i.e., at the engine), and are advertised as an estimated increase over factory performance ratings. Displayed increases are based on our experience with previous projects. Your results may vary in either direction - sometimes significantly - for a variety of reasons including, but not limited to, the inherent variability of performance with mass-produced vehicles, atmospheric conditions, gasoline quality, pre-existing modifications, vehicle history & maintenance, and more.
$19,799* – Includes Installation & Tuning
Includes
- IAG Performance Stage-2 built short block
- ARP 2000 Series cylinder head studs
- OEM Subaru 11mm engine oil pump
- IAG Performance V2 stainless steel oil pickup tube
- OEM Subaru water pump
- OEM Subaru timing components (idlers, tensioner, etc.) with Gates Racing RPM (Blue) belt
- GDT cylinder 4 chamber cooling system.
- NGK LFR7AIX spark plugs
- ACT XACT Streetlite 15.50lb flywheel
- ACT HDSS clutch assembly (522lbft capacity)
- Forced Performance FP Blue turbocharger
- COBB Tuning turbocharger inlet tube
- COBB Tuning SF air-intake system
- COBB Tuning SF airbox
- COBB Tuning 3-port electronic boost control solenoid
- Process West top-mount intercooler upgrade
- PERRIN Performance pitch stop mount brace with braided stainless steel clutch line
- OEM Subaru FIA Group N pitch stop mount
- IAG Performance V3 Street Series air/oil separator
- COBB Tuning down-pipe with integrated EPA compliant GESi G-Sport catalytic converter
- COBB Tuning Flex Fuel conversion
- COBB Tuning fuel pressure sensor
- COBB Tuning fuel rails and lines package
- Injector Dynamic ID1050x fuel injectors with plug-and-play adapters
- AEM Performance 340lph E85 compatible in-tank fuel pump
- COBB Tuning upgraded fuel pressure regulator system
- OEM Subaru gaskets, fluids, and hardware required for installation, including turbocharger outlet hardware
- Proper oil and filters required for first two oil changes of process
- 10 gallons of VP E98 fuel for mixing
- COBB Tuning Accessport V3 with custom Protune
- COBB Tuning Accessport V3 with custom Flex Fuel Protune
- Pre-work dyno runs to establish baseline horsepower & torque
- Professional installation by National Speed Performance Technicians
- Professional calibration by National Speed Calibration Team on our DynoJet 424xLC2 dyno
- National Speed’s project documentation access – pictures, videos, and dyno graphs
- National Speed’s 12-month/12,000 mile vehicle program warranty
- All necessary and correct fluids
- ADDITIONAL OPTIONS AVAILABLE
Ask Your Performance Consultant
*Pricing shown does not include applicable taxes, shipping and shop fees. - *To be consistent with original manufacturer practices, our performance packages are displayed in brake horsepower (i.e., at the engine), and are advertised as an estimated increase over factory performance ratings. Displayed increases are based on our experience with previous projects. Your results may vary in either direction - sometimes significantly - for a variety of reasons including, but not limited to, the inherent variability of performance with mass-produced vehicles, atmospheric conditions, gasoline quality, pre-existing modifications, vehicle history & maintenance, and more.
$8,699* – Includes Installation & Tuning
Includes
- IAG Performance Stage-1 OEM Open Deck built short block
- ARP 2000 Series cylinder head studs
- OEM Subaru 11mm engine oil pump
- IAG Performance V2 stainless steel oil pickup tube
- OEM Subaru water pump
- OEM Subaru timing components (idlers, tensioner, etc.) with Gates Racing RPM (Blue) belt
- GDT cylinder 4 chamber cooling system with OEM Subaru Super Coolant.
- NGK LFR7AIX spark plugs
- OEM Subaru gaskets, fluids, and hardware required for installation
- IAG Performance V3 Street Series air/oil separator
- Proper oil and filters required for first two oil changes of process
- COBB Tuning Accessport V3 with custom Protune
- OEM Subaru gaskets, fluids, and hardware required for installation
- Pre-work dyno runs to establish baseline horsepower & torque
- Professional installation by National Speed Performance Technicians
- Professional calibration by National Speed Calibration Team on our DynoJet 424xLC2 dyno
- National Speed’s project documentation access – pictures, videos, and dyno graphs
- National Speed’s 12-month/12,000 mile vehicle program warranty
- All necessary and correct fluids
- ADDITIONAL OPTIONS AVAILABLE
Ask Your Performance Consultant
*Pricing shown does not include applicable taxes, shipping and shop fees. - *To be consistent with original manufacturer practices, our performance packages are displayed in brake horsepower (i.e., at the engine), and are advertised as an estimated increase over factory performance ratings. Displayed increases are based on our experience with previous projects. Your results may vary in either direction - sometimes significantly - for a variety of reasons including, but not limited to, the inherent variability of performance with mass-produced vehicles, atmospheric conditions, gasoline quality, pre-existing modifications, vehicle history & maintenance, and more.
$8,899* – Includes Installation & Tuning
Includes
- IAG Performance Stage-2 OEM Open Deck built short block
- ARP 2000 Series cylinder head studs
- OEM Subaru 11mm engine oil pump
- IAG Performance V2 stainless steel oil pickup tube
- OEM Subaru water pump
- OEM Subaru timing components (idlers, tensioner, etc.) with Gates Racing RPM (Blue) belt
- NGK LFR7AIX spark plugs
- OEM Subaru gaskets, fluids, and hardware required for installation
- IAG Performance V3 Street Series air/oil separator
- Proper oil and filters required for first two oil changes of process
- COBB Tuning Accessport V3 with custom Protune
- OEM Subaru gaskets, fluids, and hardware required for installation
- Pre-work dyno runs to establish baseline horsepower & torque
- Professional installation by National Speed Performance Technicians
- Professional calibration by National Speed Calibration Team on our DynoJet 424xLC2 dyno
- National Speed’s project documentation access – pictures, videos, and dyno graphs
- National Speed’s 12-month/12,000 mile vehicle program warranty
- All necessary and correct fluids
- ADDITIONAL OPTIONS AVAILABLE
Ask Your Performance Consultant
*Pricing shown does not include applicable taxes, shipping and shop fees. - *To be consistent with original manufacturer practices, our performance packages are displayed in brake horsepower (i.e., at the engine), and are advertised as an estimated increase over factory performance ratings. Displayed increases are based on our experience with previous projects. Your results may vary in either direction - sometimes significantly - for a variety of reasons including, but not limited to, the inherent variability of performance with mass-produced vehicles, atmospheric conditions, gasoline quality, pre-existing modifications, vehicle history & maintenance, and more.
$9,199* – Includes Installation & Tuning
Includes
- IAG Performance Stage-2 Tuff OEM Open Deck built short block
- ARP 2000 Series cylinder head studs
- OEM Subaru 11mm engine oil pump
- IAG Performance V2 stainless steel oil pickup tube
- OEM Subaru water pump
- OEM Subaru timing components (idlers, tensioner, etc.) with Gates Racing RPM (Blue) belt
- NGK LFR7AIX spark plugs
- OEM Subaru gaskets, fluids, and hardware required for installation
- IAG Performance V3 Street Series air/oil separator
- Proper oil and filters required for first two oil changes of process
- COBB Tuning Accessport V3 with custom Protune
- OEM Subaru gaskets, fluids, and hardware required for installation
- Pre-work dyno runs to establish baseline horsepower & torque
- Professional installation by National Speed Performance Technicians
- Professional calibration by National Speed Calibration Team on our DynoJet 424xLC2 dyno
- National Speed’s project documentation access – pictures, videos, and dyno graphs
- National Speed’s 12-month/12,000 mile vehicle program warranty
- All necessary and correct fluids
- ADDITIONAL OPTIONS AVAILABLE
Ask Your Performance Consultant
*Pricing shown does not include applicable taxes, shipping and shop fees. - *To be consistent with original manufacturer practices, our performance packages are displayed in brake horsepower (i.e., at the engine), and are advertised as an estimated increase over factory performance ratings. Displayed increases are based on our experience with previous projects. Your results may vary in either direction - sometimes significantly - for a variety of reasons including, but not limited to, the inherent variability of performance with mass-produced vehicles, atmospheric conditions, gasoline quality, pre-existing modifications, vehicle history & maintenance, and more.
$9,799* – Includes Installation & Tuning
Includes
- IAG Performance Stage-2.5 Closed Deck built short block
- ARP 2000 Series cylinder head studs
- OEM Subaru 11mm engine oil pump
- IAG Performance V2 stainless steel oil pickup tube
- OEM Subaru water pump
- OEM Subaru timing components (idlers, tensioner, etc.) with Gates Racing RPM (Blue) belt
- NGK LFR7AIX spark plugs
- OEM Subaru gaskets, fluids, and hardware required for installation
- IAG Performance V3 Street Series air/oil separator
- Proper oil and filters required for first two oil changes of process
- COBB Tuning Accessport V3 with custom Protune
- OEM Subaru gaskets, fluids, and hardware required for installation
- Pre-work dyno runs to establish baseline horsepower & torque
- Professional installation by National Speed Performance Technicians
- Professional calibration by National Speed Calibration Team on our DynoJet 424xLC2 dyno
- National Speed’s project documentation access – pictures, videos, and dyno graphs
- National Speed’s 12-month/12,000 mile vehicle program warranty
- All necessary and correct fluids
- ADDITIONAL OPTIONS AVAILABLE
Ask Your Performance Consultant
*Pricing shown does not include applicable taxes, shipping and shop fees. - *To be consistent with original manufacturer practices, our performance packages are displayed in brake horsepower (i.e., at the engine), and are advertised as an estimated increase over factory performance ratings. Displayed increases are based on our experience with previous projects. Your results may vary in either direction - sometimes significantly - for a variety of reasons including, but not limited to, the inherent variability of performance with mass-produced vehicles, atmospheric conditions, gasoline quality, pre-existing modifications, vehicle history & maintenance, and more.
National Speed Selected as IAG Certified Installer
We are honored to be one of the few companies across North America selected to participate in IAG Performance's pilot Certified Engine Installer program! In short, if you have your IAG engine installed & calibrated at any of National Speed's shop locations, you will receive a 2 year/24,000 mile workmanship warranty [...]
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Jorge brought us his 2016 Subaru WRX STI to get the engine built and ready for the next steps in power!Up first in the shop, starting with a Stage 2 short block from IAG Performance, John rebuilt the EJ257 with brand new OEM Subaru gaskets & seals, WRX STI 11mm [...]
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Conner brought us his 2018 Subaru WRX STI to have the wick turned up! Up first in the shop, John installed a Blouch Turbo 3.0XT-R connecting to the existing Invidia Exhaust 3.00" turbocharger-back exhaust system, GrimmSpeed up-pipe with provisions for TiAL Sport 38mm wastegate, TOMEI unequal-length header, PERRIN Performance turbocharger inlet tube, COBB Tuning SF air-intake system, Extreme Turbo Systems front-mount intercooler, COBB Tuning fuel pressure regulator [...]
See Full Post2018 Subaru WRX STI Type RA
Casey brought us his 2018 Subaru WRX STI Type RA, 1 of only 500 produced, for the first round of modifications! Up first, Matt performed some baseline dyno pulls to establish a starting point, coming in at a healthy 287.09awhp & 293.31lbft. Up next, Alex installed an SF intake system [...]
See Full PostCrystal White Pearl 2019 Subaru WRX STI S209 – Reliability Mods
Our first S209 - one of the 209 USDM units produced - to come through the shop and hit the rollers! Erik, the owner of this magnificent Crystal White Pearl 2019 Subaru WRX STI S209, is clearly a huge Subaru enthusiast, and is no stranger to modifying the platform. So, [...]
See Full PostOur Guarantee
12-month/12,000-mile Workmanship Warranty
As enthusiasts ourselves, we treat our customers as we would want to be treated. What does that mean? It means we advise our customers on how to best achieve their goals, we set expectations properly, give each and every customer an absolutely unforgettable experience, and above all, we stand behind our work.
Simply put: we guarantee if we miss the mark, we make it right.
This shield of assurance not only applies to the work we perform on your vehicle, but also to your vehicle itself while in our care. All customer cars are treated like our own and kept inside under lock-and-key at night. At the end of the day, we always do what’s right! Isn’t it time you work with a speed shop that can say that?
Interested to learn more about what our warranty does and does not cover? Click here to view our Customer Service Agreement.
Richmond, VA
4022 Glenside Drive, Richmond, VA 23228
HOURS
Monday – Friday: 8:30am-5:30pm
Closed Saturday & Sunday
Phone
(804) 214-3586
Wilmington, NC
6779 Gordon Rd, Wilmington, NC 28411
Hours
Monday – Friday: 8:30am-5:30pm
Closed Saturday & Sunday
Phone
(910) 332-5901