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PERRIN Catback Exhaust - 2002-2007 WRX & STI




The PERRIN Catback Exhaust for 2002-2007 WRX & STI features an all stainless steel design, a straight through muffler and 4" slash cut tip. This adds 15 WHP and bring out the sought after boxer rumble. 

4 " Slash Cut Tip

An over-sized 4" slash cut exhaust tip adds an aggressive look to this impressive system. PERRRIN exhaust tips are a brushed stainless steel with a single wall construction. 

Straight Through Muffler

Mufflers and flanges have a true 3" internal diameter for uninterrupted exhaust flow throughout the entire length, not necked down, for ultra smooth transitions throughout the system.

304 Stainless Steel Tubing

304ss provide high corrosion resistance and is excellent for heat up to 1800 degrees Fahrenheit. Other manufactures may use a cheaper 409 stainless steel which will rust and corrode over time but the added expense for 304 stainless steel is well worth the beautiful and long lasting finish and durability.