Borla Hush Twin-Tip Catback Exhaust 2002-2007 WRX / 2004-2007 STI

BORLA® Hush Cat-Back™ Exhaust. BORLA® Cat-Back™ TM & Rear Section exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA® Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium 300-series austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, BORLA stands behind every system with a Million-Mile Warranty. Just what you’d expect from the world’s most experienced (and most winning) exhaust brand.   Part# Product Type Pipe Diameter Tip Size Tip Description Tip # Exit 140053 Cat-Back™ 3" 3.2" Dual Round Rolled Angle-Cut Long 18 Dual Left Rear Exit