Invidia N1 Regular Catback Exhaust Titanium Tip WRX / STI (2002-2007) Scion Naturally aspirated vehicles also benefit

Naturally aspirated vehicles also benefit from greater exhaust flow capacity as engine tuning levels increase

oversteer and understeer can be modified

GrimmSpeed was able to MAP the engine bay in 3D to ensure a perfect fitment

0L Turbocharged

The PERRIN inlet hose for the WRX/Legacy GT is perfectly smooth on the inside and has a significantly larger internal diameter than the OEM part

Invidia N1 Regular Catback Exhaust Titanium Tip WRX / STI (2002-2007) Scion Naturally aspirated vehicles also benefitInvidia Regular N1 Muffler Catback for the 2002 2007 Subaru WRX STI Invidia's regular N1 catback exhaust for the 2002 2007 WRX and 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 Racing catback, and the included silencer makes it easy to reduce