• Crafted from 3inch 304 Stainless Steel
• Mandrel bent and TIG welded
• Diverted wastegate that separates the wastegate exhaust gases away from the exhaust coming from the turbine
• 49 state legal catalysts
• One piece downpipe
• Use a 1/2" thick flat flanges to prevent warping
• Can take extreme heat produced by high horsepower motors
• Bolts to an aftermarket or stock catback exhaust

The Perrin Performance WRX & STi high-flow catted one piece downpipe is a perfect compliment to your Perrin performance 3 inch exhaust system. This downpipe utilizes 49 state legal catalysts to keep you emissions friendly while improving power and torque. Perrin Performance utilizes high efficiency metal substrate catalysts for optimal performance. This downpipe is legal in 49 states as replacements for a defective, missing, or worn catalyst but are NOT CARB legal. Perrin performance one piece downpipe features 3 inch polished stainless steel piping, with a diverted wastegate design for optimal flow. Perrin's wastegate diverter separates exhaust gases behind the turbo and channels them into the exhaust path further downstream to reduce turbulence and improve performance; resulting in smooth, optimized performance. The Perrin Performance downpipe use a 1/2" thick flat flanges to prevent warping, and will bolt to an aftermarket or stock catback exhaust. Perrin's converters are guaranteed to take the extreme heat produced by high horsepower motors and do so for miles and miles. Perrin's Subaru downpipe catalysts are backed by a limited warranty.

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Perrin Performance WRX STi One piece downpipe The Perrin Performance WRX & STi high-flow catted one piece downpipe is a perfect compliment to your Perrin performance 3 inch exhaust system. This downpipe utilizes 49 state legal catalysts to keep you emissions friendly while improving power and torque. Perrin Performance utilizes high efficiency From: $445.00