The Borla Sport Muffler System for the new E46 M3 features 100% T-304 stainless steel construction, 1,000,000 Borla Warranty and has four 3" (76mm) round tips. Installation is a breeze! Sounds and looks great. Borla claims a 12HP gain with this system. This system weighs in at 37 LBS! The average decibel level with this system when tested was 82.8 db. which is well under the California Limit of 94 db.
BORLA Cat-Back™ exhausts 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 austenitic stainless steel, superior to T-400 series knockoffs, to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and 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.
BMW E46 M3 (2001-2006) - Borla Part Number: 140034