Subaru Parts > Performance > WRX 02-07 > Exhaust

SPT Performance Exhaust System Cat-Back

List Price $560.00
Our Price $533.40

Full 3 inch stainless steel pipe. Replaces the stock intermediate pipe and muffler. Enhances exhaust sound and performance. Manufactured for Subaru of America by Bosal. Rear diff protector and trailer hitch do not clear this exhaust. Includes flex joint bolts (doughnut connection)and nuts, and intermediate pipe to muffler gasket.

SPT Info Page



STI Muffler Hangers

List Price $9.95
Our Price $8.22

Sti hardened rubber muffler hangers. Rubber hangers sold individually as needed. ( Order/use up to four per car).
WRX RS XT's and Sti.


STi Performance Muffler

List Price $695.00
Our Price $661.99

Improves vehicle performance and provides a throaty exhaust note plus a sporty aggressive look to the rear of the WRX. Sounds very respectful at idle. This T304 stainless steel muffler with an inlet (inner) diameter of 60mm, the outlet tip diameter 101.25mm. This muffler section only. Also despite lacking the STI etching this IS the STI muffler! Includes gasket.
02-05 WRX.


Stromung Downpipe

List Price $199.00
Our Price $190.50

Stromung 3inch Downpipe with seperated wastegate tube, this is actually a seperate pipe which rejoins further down the downpipe to reduce turbulence. This unit replaces the stock downpipe section. 02-07 WRX.


Stromung Second Pipe

List Price $240.00 - 366.00
Our Price $234.95 - $355.60

Stromung 3 inch secondary pipe available with metal catalyst or no catalyst. This unit replaces the stock center pipe which is just after the stock downpipe section and before the long intermediate pipe.02-07 WRX.


3 inch Catback

List Price $637.00
Our Price $628.65

Stromung Catback Exhaust is available in a variety of ways to suit your needs. The 3inch is recommended use for the 2.5L turbo engines. WRX /STI.


2.5 inch Catback

List Price $189.95 - 637.65
Our Price $176.78 - $476.50

Stromung 2.5inch catback exhaust. Select your 2.5inch intermediate pipe and then add your 2.5inch muffler with preferred tip style. This system is better for 2.0L turbo engines or if you want a more quiet system than a 3 inch. 02-05 WRX.


Titek Up pipe

List Price $179.00
Our Price $152.40

TiTek Innovations polished uppipe is made of SUS304 stainless just like our downpipes and have increased rigidity through the flex joint, which also aids for a much easier install. This piece is precisely tig welded with an EGT sensor bung. This uppipe will help increase in a quicker response for turbo spooling and increased horsepower throughout the power band. Includes all necessary hardware (gaskets, nuts, bolts). Off road use.


Titek Downpipe without cat

List Price $265.00
Our Price $228.60

TiTek Innovations fully polished stainless steel downpipe for the 02-06 WRX / STI are offered with a straight flow design through our smooth bellmouth transitioning to our full 3” mandrel bent finishing. This downpipe will help increase horsepower by maximizing exhaust flow efficiency. This item is an easy bolt-on upgrade for stock and upgraded turbochargers. Recommend use with engine management like Cobb Accessport with these bell mouth type downpipes and a cel spacer/boss to reduce risk of a check engine light. Includes all necessary hardware (gaskets, nuts, bolts). For off road use.


CEL Boss

List Price $19.95
Our Price $16.94

CEL boss...Check Engine Light spacer. Slows or eliminates CEL occurance from higher flow exhaust systems by threadin this into the 02bung. Thus taking the sensor out of the direct path of exhaust.


Greddy 80mm Exhaust Gasket

List Price $14.95
Our Price $7.62




Injen Manifold Crossover pipe

List Price $315.00
Our Price $260.03

Built from T304 stainless steel piping and incorporated flex joint for longevity. This manifold crossover pipe is maximizing exhaust flow for faster turbo response. 02+ WRX and Sti.
Injen Info:



Borla Turbo Manifold/Header

List Price $945.00
Our Price $635.00

Borla’s new header for the WRX/STI is made of 100% aircraft-quality T-304 stainless steel mandrel-bent tubing. All welded construction, warp free flanges and special merge collector technology provide the ultimate in power and endurance. The WRX/STI header is ceramic coated to protect the oil filter from high temperatures. Header installs easy utilizing the stock mounting bolts and gaskets. Borla headers will help increase mid range to upper end torque giving you a linear power band. All headers are 50 State legal and are backed by Borla’s Million Mile Warranty. Borla also manufactures headers for other Subaru applications that will help achieve a higher performance level while maintaining a clean exhaust tone. Forester XT, Baja Turbo, WRX and Sti.


DC Sport Header

List Price $722.00 - 823.00
Our Price $571.50 - $635.00

DC Sport Competition Pipes are available in 100% 304-stainless steel (including the flanges) for the best durability, and are precision bent on our CNC mandrel benders using data acquired from our non-contact digitizing scanner for accurate fitment. Our flanges are CNC machined, we machine-grind the flange mating surface to ensure a leak-free seal and use a robotic welder to attach the flange to the header pipes. 02-07 WRX and STI.
DC Sport Info:



Greddy WRX Header

List Price $841.00
Our Price $792.48

Greddy headers are made from stainless steel mandrel bent pipes and casted flanges. Main power improvements are made by the design and placement of the collectors to even out the exhaust pulses. Large primary runners make it a solid choice for your vehicle. Give your WRX an edge over the competition with this low priced header. 02-07 WRX STI 04-08 FORXT.


HKS Hi-Power Exhaust

List Price $640.00
Our Price $552.70

HKS Hi Power Exhaust system features an unchambered (SUS 304) stainless steel muffler assembly, high-quality computerized welds and large diameter aluminized steel piping. The Hiper muffler and tip features a unique offset mounting design that eliminates all unnecessary bends.


Injen Up pipe Polished

List Price $265.98
Our Price $252.56

The Injen SES1200UP is built from T304 2" Stainless Steel tubing, maximizing exhaust flow for a faster turbo response.
02 and up WRX and Sti


DC Sport Up pipe

List Price $139.00
Our Price $125.49

Brushed stainless steel up pipe. Gaskets are seperate.


DC Catback

List Price $650.00
Our Price $482.60

DC Sport Exhaust systems are all CNC Mandrel bent, hand welded, feature a straight-through muffler core, utilize the factory mounting locations and include complete hardware for ease of installation. Manufactured from 304-stainless steel piping single canister catback system with a 4" straight-cut tip with rolled DC Sports logo.
DC Sport Info



HKS Carbon-Ti

List Price $950.00
Our Price $895.35

Special Edition HKS Carbon / Titanium Hi-Power Exhaust. HKS has incorporated this new race inspired offset muffler and piping design, which offers a greater flow and a higher-PRM power gain due to the less restrictive design. This is achieved by eliminating unnecessary bends for the straightest exhaust path. For turbocharged applications, the large and smooth exhaust flow allows greater exhaust velocity for better mid-range boost response and high-RPM power. 75mm piping and 120mm tip. 02- WRX and STi.


Greddy EVO2

List Price $729.00
Our Price $694.37

Greddy EVO2 catback is a full stainless steel catback exhaust system designed for the USDM vehicle with JDM quality, style and performance. Straight through design with great power and sound. the carefully designed pipe routing, diameter and muffler provides a race muffler look, with excellent sound for daily commute. 02-05 WRX.
Greddy Info:



Greddy SP2

List Price $669.00
Our Price $539.75

Greddy SP2 street performer series 2, is the ultimate in show quality shine, superior flow, and excellent sound. The full stainless steel as other classic Greddy straight through exhaust systems wit hthe added bonus of a high polished single walled SUS304 oval muffler canister and a unique curled oval Greddy slant tip. 02-05 WRX.
Greddy Info:







Subaru Parts > Performance > WRX 02-07 > Exhaust