HKS Carbon Ti Exhaust for 02-07 WRX/STi (3112-EX005) Extreme Psi For use with many applications

For use with many applications including the Evo 4-9 transmission

oval track

9LSU sensor and can utilize both the factory calibration resistor and free-air calibration methods**

your stock throttle bodies will become a restriction to the intake system

-6AN Inlets / Standard Seat / EFI (25-90 PSID)

HKS Carbon Ti Exhaust for 02-07 WRX/STi (3112-EX005) Extreme Psi For use with many applicationsHKS Carbon Ti cat back exhaust features a beautiful, carbon fiber wrapped muffler and burned blue Ti style tip. Fits all 2002 2007 Subaru WRX and STi models. Vehicle Fitment: 2002 2007 Subaru WRX 2004 2007 Subaru STi Features: Carbon Fiber Wrapped Muffler 120mm Titanium Tip Stainless Steel Piping Includes: 2 Piece Exhaust Muffler Clamp Gaskets & Hardware