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.
Pipe Diameter | Tip Size | Tip Description | Tip # | Exit |
single 3" into muffler dual 2.25" out |
4" |
Single Round Rolled Angle-Cut |
36 |
Truck Split Side Rear Exit |
Suits: 1999-2007 Chevrolet Silverado 1500/ GMC Sierra 1500 (incl. Z-71) Incl. Classic 4.8L/ 5.3L V8 Automatic/ Manual Transmission 2 & 4WD Extended Cab-Short Bed.