There are 12 products.

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WRX/STi Racing Bypass Valve
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WRX/STI Racing Bypass Valve

Specifically designed for MY 2002 - 2007 Subaru WRX and STi's will also fit the 2008-2012 STI, the WS-RBV requires no adapter kit to...

$324.98
WRX/STI Rear Muffler
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WRX/STI Rear Muffler

The TurboXS WRX STI Standard Rear Muffler Assembly is the epitome of subdued looks but performance sound. It's a full 3 inch straight...

$559.91
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WRX/STI Rear Muffler

A 3" straight through design unleashes all the power your engine can make. Unique flange design allows the WS02-RMA-TI to be bolted...

$599.06
WRX/STI Cat Back Adapter Pipe
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WRX/STI Cat Back Adapter Pipe

The TXS cat-back adapter allows you to use our ORIGINAL design downpipe (WS-DP) with any 3" catback exhaust system.?

$194.47
Subaru WRX/STi Intake Kit
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Subaru WRX/STI Intake Kit

Short ram intake include billet aluminum MAF adapter, high flow air filter, and mounting bracket. The TurboXS intake is engineered to...

$233.62