04-07 STI Air Induction
Aluminati 19mm Billet NA/JDM Manifold Spacers
$129.99
Wanna try an NA or JDM long runner manifold? You need these to clear the AVCS. Made from 6061 billet aluminum and left raw to look pretty as possible. Both...
AMS EJ25 Intake Manifold Red - 02-14 WRX / 04-20 STI
$1,199.95
Here, you are looking at the AMS Performance EJ25 Intake Manifold. This manifold has been designed for those looking for the right intake manifold to accommodate big horsepower setups. AMS...
AMS EJ25 Intake Manifold Uncoated - 02-14 WRX / 04-20 STI
$1,199.95
Here, you are looking at the AMS Performance EJ25 Intake Manifold. This manifold has been designed for those looking for the right intake manifold to accommodate big horsepower setups. AMS...
Boomba Racing 75mm DBW Throttle Body Bolt-on Servo Style Black - 04-19 STI
$657.00 $730.00
This is the Boomba Racing Drive By Wire Throttle Body which has been designed to be a direct replacement of your factory unit. Boomba has designed this throttle body so...
Forced Performance 84mm Turbo Inlet - 02-07 WRX / 04+ STI
$199.00
Forced Performance has been progressively designing and engineering premium aftermarket turbochargers for the sport compact market for decades. Today, Forced Performance continues to expand their catalog by producing quality aftermarket...
Go Fast Bits Deceptor Pro II Electronically Adjustable Blow Off Valve - 02-14 WRX/STI
$381.51 $423.90
Built on the patented Respons & TMS technology, the Deceptor Pro II takes the Respons concept even further! How? The action of adjusting BOV volume is automated using a high-torque...
Go Fast Bits Mach 2 TMS Recirculating Diverter Valve - 02-07 WRX / 04+ STI
$165.68 $184.09
Go Fast Bits Mach 2 TMS Recirculating Diverter Valve - 04-14 STI / 02-07 WRX
$165.69 $184.10
The Mach 2 is configured as a 100% recirculating valve (i.e. bypass, plumb back) and add on kits are also available to convert to 100% atmosphere venting. Use the recirc...
Go Fast Bits TMS Respons Hybrid Blow Off Valve - 04+ STI / 02-07 WRX
$253.53 $281.70
As the name suggests, the GFB Respons is designed specifically with the aim of improving throttle response and reducing turbo lag. What’s TMS? GFB’s Turbo Management System is the term...
GrimmSpeed Drive-by-Wire Throttle Body Gasket - 04-20 STI / 06-07 WRX
$8.00
This is the Grimmspeed Drive-By-Cable Throttle Body Gasket. This particular intake gasket has been made using quality paper materials to ensure a proper seal between the throttle body and the...
GrimmSpeed TGV to Engine Gaskets
$11.00
The GrimmSpeed TGV to engine gaskets are of OEM quality, however more cost effective than the dealership. Whenever you remove or replace your TGV’s, it is always a good idea...
HKS Super Hybrid Panel Air Filter - 02-07 WRX/STI
$31.50 $35.00
HKS has designed their Super Hybrid Panel Air Filter to be a direct replacement, drop in air filter in the OEM box. Compared to the conventional OEM filter, the HKS...
HKS Super SQV4 Blow Off Valve - 02-07 WRX/STI
$339.70 $395.00
The HKS Sequential Blow Off Valve has been one of the favorite modifications among sport compact drivers for more than 20 years. From its unique chirping sound, to the ability...
HKS Super SQV4 Blow Off Valve - Universal
$253.70 $295.00
The HKS Sequential Blow Off Valve has been one of the favorite modifications among sport compact drivers for more than 20 years. From its unique chirping sound, to the ability...
Injen IS Short RAM Intake System - 02-07 WRX/STI
$172.53
The Injen IS Air Intake Series is a traditional under hood intake system that is placed in the stock location of the factory air-box system. Each system is built from...
Injen RD Cold Air Intake System - 02-07 WRX/STI
$219.77 $293.03
The RD series is a cold air intake system for the enthusiast craving mid-range power. The intake tube is strategically placed behind the Fender to acquire colder, denser air. Every...
Injen SP Cold Air Intake System - 02-07 WRX/STI
$224.78 $299.71
The Injen SP Series Air Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The SP series does not limit itself to...
K&N High Flow Air Filter - 02-07 WRX/STI
$49.99 $77.99
K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration and increased fuel economy. Making over 1,200 different replacement air filters for virtually every vehicle...
K&N Typhoon Short Ram Intake - 02-07 WRX/STI
$289.99 $525.99
Built for performance and show, the Typhoon Air Intake System is a free-flowing mandrel-bent aluminum tube induction system. This Typhoon intakes come in a short ram design. K&N intake systems...
Mishimoto Air Intake Box - 02-07 WRX/STI
$132.95
Mishimoto Subaru WRX / STI Air Intake Box, 2002-2007
Mishimoto Performance Intake - 02-07 WRX/STI
$186.34
Provide increased airflow to your WRX or STI with the Mishimoto Subaru WRX/STI Performance Air Intake. Mishimoto designed this intake to be as non-restrictive as possible, featuring a straight 2.75"...
Mishimoto Silicone Induction Hose - 02-07 WRX / 04+ STI
$205.95
Mishimoto's Silicone Induction Hose for the Subaru WRX / WRX STi is made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement for your OEM...
Perrin Afta-MAF Intake Tube Black - 02-07 WRX/STI
$67.32 $88.00
This unit replaces the factory corrugated rubber hose between the inlet tube and air box. This is a great replacement for those who need to replace the original unit that...
Perrin Afta-MAF Intake Tube Black - 02-07 WRX/STI
$67.32 $88.00
The PERRIN Performance Afta MAF Hose replaces the factory corrugated rubber hose between the inlet tube and air box with a shinny black, red or blue silicone tube. This is...
Perrin Afta-MAF Intake Tube Red - 02-07 WRX/STI
$67.32 $88.00
The PERRIN Performance Afta MAF Hose replaces the factory corrugated rubber hose between the inlet tube and air box with a shinny black, red or blue silicone tube. This is...
Perrin Afta-MAF Intake Tube Red - 02-07 WRX/STI
$67.32 $88.00
This unit replaces the factory corrugated rubber hose between the inlet tube and air box. This is a great replacement for those who need to replace the original unit that...
Perrin Cold Air Intake System - 02-07 WRX/STI
$296.82 $388.00
Increase horsepower and style under your hood.The PERRIN Performance cold air intake system uses proper MAF alignment and plumbing size, which are crucial to maintain proper air fuel ratios and...
Perrin Panel Filter- 02-07 WRX/STI
$45.14 $59.00
PERRIN Performance Drop-In Panel Filters increase airflow, horsepower and fuel economy while providing excellent engine protecting filtration.
Perrin Short Ram Intake System - 02-07 WRX/STI
$178.25 $233.00
Increase horsepower and style under your hood.The PERRIN Performance intake system uses proper MAF alignment and plumbing size, which are crucial to maintain proper air fuel ratios and prevent check...
Perrin Short Ram Intake System - 04-07 STI
$178.25 $233.00
Increase horsepower and style under your hood.The PERRIN Performance intake system uses proper MAF alignment and plumbing size, which are crucial to maintain proper air fuel ratios and prevent check...
Perrin Turbo Inlet Hose - 02-07 WRX / 04+ STI
$240.98 $315.00
Silicone technology allows PERRIN to design a turbo inlet hose that is better in all aspects than the OEM part and increases your engines horsepower and performance. The PERRIN inlet...
Perrin Turbo Inlet Hose 3.0" Turbos - 02-07 WRX / 04+ STI
$240.98 $315.00
Silicone technology allows PERRIN to design a turbo inlet hose that is better in all aspects than the OEM part and increases your engines horsepower and performance. The PERRIN inlet...
Process West Intake Manifold Street Version - 04-20 STI
$1,731.83 $1,935.00
The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics meet high end performance. What...
Process West Intake Manifold Street Version Black - 04-20 STI
$1,789.11 $1,999.00
The Process West Street Version Intake manifold takes the art of fabrication and gives it a Hail Mary. This intake manifold is the result of years worth of real world...
Tial Q Blow Off Valve 8 PSI Spring Purple - Universal
$259.99 $308.00
The Tial Q valve is Tial's newest blow off valve. Improving upon their old design that has been proven for over nine years to be one of the best performing...
Tial Q Blow Off Valve 10 PSI Spring Black - Universal
$259.99 $308.00
The Tial Q valve is Tial's newest blow off valve. Improving upon their old design that has been proven for over nine years to be one of the best performing...
Tial Q Blow Off Valve 10 PSI Spring Red - Universal
$259.99 $308.00
The Tial Q valve is Tial's newest blow off valve. Improving upon their old design that has been proven for over nine years to be one of the best performing...
Tial Q Blow Off Valve 11 PSI Spring Black - Universal
$259.99 $308.00
This blow-off valve delivers in performance for vehicles from mid to high horsepower levels to relieve boost. Here are the details: Flows 60% more than the original design One of...
Tial Q Blow Off Valve 11 PSI Spring Purple - Universal
$259.99 $308.00
The Tial Q valve is Tial's newest blow off valve. Improving upon their old design that has been proven for over nine years to be one of the best performing...
Tial Q Blow Off Valve 11 PSI Spring Red - Universal
$259.99 $308.00
This blow-off valve delivers in performance for vehicles from mid to high horsepower levels to relieve boost. Here are the details: Flows 60% more than the original design One of...
Tial QR Blow Off Valve 10psi Black 1.34" Port - Universal
$259.99
One of the main reasons why Tial products are so beloved in the sport compact ability is that they are built to accommodate a wide variety of modifications. The QR...
Tial QR Blow Off Valve 10psi Red 1.34" Port - Universal
$259.99
One of the main reasons why Tial products are so beloved in the sport compact ability is that they are built to accommodate a wide variety of modifications. The QR...
Tial QRJ 29mm Tube Flange - Universal
$10.38
TiAL QRJ Hose Fittings are available in 1.00", 1.14", and 1.50" diameter sizes. These aluminum inlet and outlet fittings are interchangeable for custom setups and can be used in combination...
Tial QRJ 38mm V-Band Clamp Kit: Aluminum Weld-On Flange
$52.28
TiAL QRJ Weld Flange Kits are available with either a stainless steel or aluminum weld flange for making custom fabricated inlet pipes for this Blow Off Valve. The flange is...
Tial QRJ Diffuser Outlet Flange - Universal
$28.64
Universal QRJ Diffuser Outlet Flange by TiAL.
Tial QRJ Q/QR Series V-Band Intake Port - Universal
$8.38
50mm Q V-Band Adapter
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