Every Invidia downpipe features 3" diameter stainless steel piping, thick flanges, and a cast upper section for optimal flow and performance. *Note this downpipe does not feature a cat. Invidia's catless downpipe will cause a (CEL). You can use a software solution such as the COBB AccessPORT to eliminate these codes. Fits all 2002-07 Subaru WRX, 2004-07 STI and 04-08 FXT.

Invidia G200 Cat Back Exhaust with Titanium Tip For 2002-07 Subaru WRX & STI

The Invidia Q300 catback exhaust system for the 02-07 WRX & STI features mandrel bent 76mm stainless steel piping and a free flowing oval style sport muffler to provide better exhaust flow for improved performance. Bolting up a Q300 to your EJ25 will allow your Subie's sonorous exhaust note to come through loud and clear when you want it to, without producing harsh or overly loud overtones; the perfect choice for those who want great performance with an exhaust note that won't wake the dead. The Invidia Q300 exhaust is designed with a polished rolled stainless 101mm tip for a stealthy sleeper appearance.

Invidia Racing N1 Muffler Catback: Invidia's Racing cat back exhaust for the WRX & STi feature 3" stainless steel piping with no resonator for optimal flow. The the N1 muffler has a JDM look, and a burnt 4" titanium tip. This system is louder than the G200 and Regular N1 cat backs - it is exceptionally free-flowing but very loud. the included silencer helps to significantly reduce noise, but this is still a loud exhaust.

Invidia N1 Race Cat Back Exhaust (Straight Through) for 2002-07 Subaru WRX & STI

Invidia N1 3" Cat Back Exhaust with Resonator For 2002-07 WRX / STI. Invidia's regular N1 catback exhaust for the WRX & STi feature 3" stainless steel piping, a resonated midpipe for improved noise reduction, and a flex section for optimal fitment. The the N1 muffler has a JDM look, with a large 4" titanium tip. This system is louder than the G200, but not as loud as the N1 Racing catback, and the included silencer makes it easy to reduce sound for daily driving.

Invidia Stainless Steel Polished 4-2-1 Header for 2002-10 WRX & STi

Used Invidia Stainless Steel 4-2-1 Header for 2002-10 WRX & STi. Header had a small crack at the uppipe neck which was tig welded and repaired. Good working condition. Actual product and contents shown.

Invidia Up Pipe, fully polished stainless steel with EGT bung. Fits: 2002 - 10 SUBARU Impreza WRX , 2004 - 10 STI, 2004 - 08 Forester XT, 2004 - 08 Legacy GT / Spec B.

Invidia's 3 inch stainless steel downpipe for the 03-06 Evo 8 & 9 is designed to bolt up to the stock catalytic converter. The 3 inch design allows for excellent flow, while maintaining a proper gasket seal with the stock donut gasket ensuring proper clearance and the ability to move under engine load. The Invidia downpipe with mate to most cat-delete pipes if you decide to optimize your flow. Invidia's downpipe, like most 3 inch downpipes, requires that you either shim the OEM suspension brace or use an aftermarket lower brace.

The Invidia header for the Evo 8 & 9 is constructed of full stainless steel and is designed for optimal flow. Higher flow equals quicker turbo spool which in turn means more power! Designed to be used with the stock turbo, this header requires no modification for install and bolts right on. With any Invidia part you know you are getting something that is top quality, but won't break the bank and this header is no different.

Invidia's turbo outlet for the 03-06 Evo 8 & 9 is designed to bolt up to the stock turbo and will mate to your stock or aftermarket downpipe. The Invidia design features an improved inner diameter for better exhaust movement and improved spool. This turbo outlet pipe, also referred to as the o2 housing, is made of cast steel for improved heat resistance. The low price and the significant increase in performance makes this upgrade hard to pass up for any Evo owner. *NOTE: This product does not work with the Turbo XS downpipe. You must extend your O2 sensor wires, as the Invidia O2 housing relocates the sensor.

Every downpipe features 3" diameter stainless steel piping, thick flanges, and a cast upper section for optimal flow and performance. Fits 2005-08 Legacy GT / Spec B

Every Invidia downpipe features 3" diameter stainless steel piping, thick flanges, and a cast upper section for optimal flow and performance. Fits 2005-08 Legacy GT / Spec B

The Invidia Q300 catback exhaust system for the 2005-09 Subaru Legacy GT is a true dual exhaust system. The Q300 features mandrel bent stainless steel piping and free flowing oval style sport mufflers to provide better exhaust flow for improved performance. The Q300 produces a performance sound without harsh or overly loud overtones. The perfect choice for those who want great performance with an exhaust note that won't wake the dead. Comes with all necessary hardware, gaskets, and instructions needed for installation.