Borla Cat-Back and 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 enthusiasts everywhere. Each system is built from premium 300 series 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 would expect from the worlds most experienced and most winning exhaust brand.

Borla Cat-Back And 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.

2006 BMWE90, E91 325i/325xi 3.0L 6 Cyl. Automatic/ Manual Transmission Rear Wheel (RWD) & All Wheel Drive (AWD) 4-Door 2007-2011 E90, E91 328i/328xi 3.0L Automatic / Manual Transmission Rear Wheel (RWD) & All Wheel Drive ) All Wheel Drive 4-Door

Borla 08-12 BMW 328i Sdm E90 2.0L RWD Dual Left Rear Exit Touring Cat-Back Exhaust

Touring Cat-Back Exhaust System.

Touring; Cat-Back™ System

328i SEDAN 07-11 2.0L E90

Million Mile Warranty

Borla-Cat-Back System

Exhaust System Kit

Borla - CAT-BACK

ExhstSysKt

CAT-BACK