1998-2000 E46 323Ci&I,328Ci&I, 2.5L Automatic/Manual 2&4 Door

Part#
Product Type
Pipe Diameter
Tip Size
Tip Description
Tip #
Exit

14939
Cat-Back™ Exhaust
2.25″
3.15″
Dual Round Rolled Angle-Cut Phantom
20
Dual Left Rear Exit

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.