Features bright chrome on T-304 stainless steel tips. BORLA® Cat-Back™ & Axle-Back 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 T-304 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.
|PIPE DIAMETER||TIP SIZE||EXIT|
|single 3" into muffler dual 2.25" out||4"||Truck Single Split Rear Exit|
1999-2007 Chevrolet Silverado 1500/ GMC Sierra 1500 (incl. Z-71) Incl. Classic 4.3L V6/ 4.8L/ 5.3L V8 Automatic/ Manual Transmission 2 & 4WD 2/ 3/ 4 Door Extended Cab With Short Bed (6' 7") 143.5" Wheelbase.