04-07 STI Exhausts / Headers
aFe Power 4-1 Twisted Steel Exhaust Manifold - 06-14 WRX / 08-20 STI
$669.00
aFe power introduces an all new Twisted Steel Header for the 2004-2016 Subaru WRX STI with H4-2.5L engine. In testing, this header produced a max gain of +9 horsepower and...
ETS V2 Maxflow Headers - 04-20 STI
$1,379.00
The wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 2004+ Subaru STI. We designed our ETS V2 MaxFlow...
GrimmSpeed 3" Downpipe to OEM Cat-Back Adapter
$39.00
Exhaust leaks seem to be an all-too-common issue with most modded Subaru’s. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. The most guaranteed leak...
GrimmSpeed 3-Bolt Exhaust Manifold to Uppipe Gasket - WRX/STI/LGT/FXT
$20.00
This is the Grimmspeed 3-Bolt Up Pipe Gasket. This option is now available for those of you with vehicles equipped with the 3-Bolt Up Pipe option. WIth that said anytime...
GrimmSpeed Downpipe to Catback 3" Gasket
$18.00
Tired of the endless searching for a 3" 2 Bolt premium gasket that doesn't blow out? Most aftermarket Subaru exhaust systems need a 3" 2 bolt gasket, however, a quality...
GrimmSpeed Downpipe to Catback 3" Gasket Double Thick
$23.00
Our new 2X Thick 3" 2-Bolt gasket is hands down the most beefy 3" 2-Bolt gasket on the market. 12 LAYERS!Tired of the endless searching for a 3" 2 Bolt...
GrimmSpeed Downpipe/J-Pipe Donut Gasket - 02-20 WRX/STI
$13.00
If you have an exhaust leak then it is most cerainly not the end of the world. Our friends at Grimmspeed have provided you with the downpipe donut gasket. So...
GrimmSpeed Exhaust Manifold to Head Gasket (PAIR) - 02-20 WRX/STI
$18.00
These are the Grimmspeed Head to Exhaust Manifold Dual Port Gaskets. These particular gaskets see some of the highest temperatures than any other gasket on the engine. With that being...
GrimmSpeed Lower Uppipe Gasket - 02-14 WRX / 04-20 STI
$11.00
This is GrimmSpeed’s lower uppipe gasket. Whenever you remove or replace your uppipe, it is always a good idea to replace the gasket especially since this is an exhaust component,...
GrimmSpeed Stock Downpipe to 3" Catback Adapter - Subaru
$39.00
Exhaust leaks seem to be an all-too-common issue with most modded Subarus. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. One of the most...
GrimmSpeed Turbo Heat Shield Reflect-A-Gold Foil - Subaru Turbo Models
$45.00
Minimize heat soak in your engine bay and keep the heat that your turbo generates where it's supposed to be: IN YOUR TURBO! Specifically cut for part # 092008 /...
GrimmSpeed Turbo Heat Shield Version 2 - Subaru Turbo Models
$79.00
This is the Grimmspeed Turbo Heat Shield Version 2. Minimize heat soak in your engine bay and keep the heat that your turbo generates where it's supposed to be: IN...
GrimmSpeed Turbo Heat Shield Version 2 Black Thermal Coated - Subaru Turbo Models
$100.00
This is the Grimmspeed Turbo Heat Shield Version 2. Minimize heat soak in your engine bay and keep the heat that your turbo generates where it's supposed to be: IN...
GrimmSpeed Universal Exhaust Gasket 2.25-2.5in - Universal
$20.00
If you've dealt with sourcing exhaust gaskets before, you know that there are a lot of different options at a lot of different price points. Unfortunately, a gasket with stainless,...
GrimmSpeeed HiFlow Exhaust Manifold Crosspipe - 02-05 WRX / 08-14 WRX / 04+ STI
$220.00
What's one of the most overlooked anti-flowing Subaru pieces you ask?? ...The stock exhaust manifold crossover. 50% of your exhaust gasses are passing through this tiny tiny pipe and that...
HKS Carbon-Ti Cat Back Exhaust - 02-07 WRX/STI
$773.10 $859.00
HKS knows how to develop exhaust systems to better suit turbocharged platforms. The increased piping diameter, smooth piping design, as well as the high flow muffler attribute to more power...
HKS Hi-Power Cat Back Exhaust - 02-07 WRX/STI
$494.10 $549.00
HKS knows how to develop exhaust systems to better suit turbocharged platforms. The increased piping diameter, straighter piping design, as well as the high flow muffler attribute to more power...
HKS Stainless Steel Equal Length Exhaust Manifold - 04+ STI / 08-14 WRX
$598.50 $665.00
HKS has been one of the leading pioneers in Japanese Muscle. And this has been achieved with their extensive research and development in their design, and building methods. This is their...
HKS Stainless Steel Unequal Length Headers - 04+ STI / 02-14 WRX
$1,143.00 $1,270.00
HKS has been one of the leading pioneers in Japanese Muscle. And this has been achieved with their extensive research and development in their design, and building methods. This is their...
IAG External Wastegate 38mm V-Band Uppipe Kit w/ Equal Length Headers - 04-19 STI / 08-14 WRX
$1,049.99
The IAG Performance External Wastegate 38mm V-Band Uppipe kit featuring GTSpec GEN II style (Equal Length) header eliminates the OE internal wastegate and exhaust manifold, allowing for quick turbo spool...
IAG External Wastegate 44mm V-Band Uppipe Kit w/ Equal Length Headers - 04-19 STI / 08-14 WRX
$999.99
The IAG Performance External Wastegate Uppipe kit featuring GTSpec GEN II style (Equal length) header eliminates the OE internal wastegate and exhaust manifold, allowing for quick turbo spool up and...
IAG External Wastegate 44mm V-Band Uppipe Kit w/ Unequal Length Headers - 04-19 STI / 08-14 WRX
$999.99
The IAG Performance External Wastegate Uppipe kit featuring GTSpec GEN II style (Equal length) header eliminates the OE internal wastegate and exhaust manifold, allowing for quick turbo spool up and...
Invidia Equal Length Race Exhaust Manifold - 06-19 STI / 08-14 WRX
$827.65 $973.70
If you have surpassed the limits of your factory exhaust manifold, then it may be time to upgrade to the Invidia Equal Length Race Exhaust manifold. This is a direct...
Invidia G200 Cat Back Exhaust - 02-07 WRX/STI
$606.90 $714.00
Improve the performance of you vehicle with the Invidia G200 Cat Back Exhaust Titanium Tip System. This exhaust system has been designed with many attributes that allows this exhaust system...
Invidia N1 Catback Exhaust Titanium Tip - 02-07 WRX/ STI
$596.32 $648.20
If you are looking for a great way to squeeze a little extra performance from your vehicle, then you will be pleased with the Invidia N1 Cat Back Exhaust System....
Invidia Q300 Cat Back Exhaust - 02-07 WRX/STI
$578.34 $680.40
If you are looking for a great way to squeeze a little extra performance from your vehicle, then you will be pleased with the Invidia Q300 Cat Back Exhaust System. There are...
Invidia Racing Series Cat Back Exhaust - 02-07 WRX/STI
$482.55 $567.70
Here, Invidia is presenting their Racing Series Cat Back Exhaust System featuring a titanium exhaust tip. This exhaust system is fabricated out of 304 stainless steel, and comes with CNC...
Invidia Titanium Catback Exhaust - 02-07 WRX/STI
$1,187.03 $1,396.50
The Subaru WRX and STI sound amazing with a Catback Exhaust, so why not go with the best Catback you can get for it? The Invidia Titanium Catback Exhaust will...
Killer B 4-1 Holy Header w/ EWG Uppipe - 02-14 WRX / 04-20 STI
$1,799.00
The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power in the mid to high RPM...
Killer B Motorsport 4-1 Holy Header 2-Bolt - 02-14 WRX / 04-20 STI
$1,299.00
Killer B are pure artists in metal fabrication, and they have a large catalog with a wide variety of performance enhancing, oiling, fabrication components, along with accessories for your interior, exterior, or...
Killer B Motorsport 4-1 Holy Header 2-Bolt SwainTech Coated - 02-14 WRX / 04-20 STI
$1,669.00
If you want some of the best components available when modifying your vehicle, then you will be satisfied with a great product from Killer B Motorsports. This introduction is for...
Killer B Motorsport 4-1 Holy Header w/ Uppipe - 02-14 WRX / 04-20 STI
$1,549.00
Killer B are pure artists in metal fabrication, and they have a large catalog with a wide variety of performance enhancing, oiling, fabrication components, along with accessories for your interior, exterior, or...
Magnaflow Cat Back Exhaust - 02-07 WRX/STI
$685.64 $806.64
The stock exhaust system doesn't sound too terrible, but Magnaflow has one of the best ways on the market to improve the exhaust tone of that engine with this complete...
MAP 4-1 Equal Length Headers - 04+ STI / 06-14 WRX
$1,099.99 $1,209.99
New equal length turbo manifold for your EJ20 or EJ25 series Subaru! Made from top quality 304 stainless this header will be the last one you will ever need to buy....
MAP 4-1 Equal Length Headers Ceramic Coated - 04+ STI / 06-14 WRX
$1,299.99 $1,429.99
New equal length turbo manifold for your EJ20 or EJ25 series Subaru! Made from top quality 304 stainless this header will be the last one you will ever need to buy....
Mishimoto 3" Downpipe to Stock Catback Adapter
$46.95
Don’t let a pesky exhaust leak ruin the beautiful exhaust tone from your turbo Subaru. The Mishimoto Subaru Exhaust Adapter allows a smooth exhaust flow transition between your 3” downpipe...
Mishimoto OEM Downpipe to 3" Catback Adapter
$45.00
Don’t let that pesky exhaust leak ruin your exhaust tone. This Mishimoto exhaust adapter allows a nice flow transition between your stock downpipe and your 3 inch exhaust. This adapter...
Nameless Performance Turbo Heatshield Black Ceramic Blue - 02-14 WRX/STI
$125.00
Nameless Performance has invested some extra effort and came up with a two-layer downpipe heatshield that features an upper anodized aluminum layer with an air gap between it and the...
Perin 15mm Exhaust Hanger Standard Length (Set of 4) - 02-07 WRX/STI
$39.78 $52.00
When new, OEM rubber exhaust hangers are fine for the stock exhaust system. But they simply don't hold up or perform well in performance applications. Over time rubber breaks down...
Perrin E4-Series Equal Length Big-Tube Headers - 02-14 WRX / 04+ STI
$1,020.60 $1,260.00
NOTE: 2.0L WRX engines will need the 2.5L STI oil pan install kit. The PERRIN Big Tube Header is perfect for those of you looking to increase both horsepower and...
Perrin E4-Series Equal Length Headers - 02-14 WRX / 04+ STI
$1,012.50 $1,250.00
NOTE: 2.0L WRX engines will need the 2.5L STI oil pan install kit. The PERRIN E4 Equal Length Headers is one of the latest and greatest creations that feature newly...
PTP Turbo Blanket Lava - 02-14 WRX / 04+ STI
$134.95
The Subaru Lava Turbo Blanket is designed to fit all Impreza WRX / STI turbochargers. With an outer layer made from actual pulverized volcanic lava rock (continuous-filament basalt) formed into fabric...
PTP Turbo Blankets Turbo Blanket Black - 02-14 WRX / 04-18 STI
$94.95
The PTP Turbo Blanket’s black turbo blanket is here to help you contain all that heat under your engine bay. These are designed to isolate the heat in an efficient...
PTP Turbo Blankets Turbo Blanket Red - 02-14 WRX / 04-20 STI
$94.95
The turbo blanket isolates the heat produced by your turbocharger, and prevents that heat from damaging, or even igniting, components surrounding the turbocharger within your engine compartment, such as plastic...
Subaru OEM Stud Cylinder Head Exhaust Manifold - 02-20 WRX/STI / BRZ
$3.20
Subaru OEM Turbo-Downpipe Hardware Kit - 02-14 WRX / 04-20 STI
$50.00
This kit includes all you need to replace on your downpipe connection to you turbo. Subaru Genuine OEM Hardware: Two Bolts, Three Studs, and Five Nuts
Tomei Equal Length Headers - 04+ STI / 08-14 WRX
$790.00
The Tomei Equal Length Exhaust Manifold was designed to get optimal performance gains for your 2004-2015 STI/2008-2014 WRX. These headers are an equal length, 4-2-1 designed to flow exhaust gases...
Tomei Expreme Ti Titanium Catback Exhaust - 02-07 WRX/STi
$1,090.00
Tomei has really done it this time. Notice a lack of a certain word in the title of this product? The missing word is tip. That word is missing because...
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