Looking for aftermarket parts to modify or upgrade your 2004 BMW 330i with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.

IN STOCK - LOW 49-46309The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination o... aFe MACH Force XP Exhaust Catback 409 SS 01-05 BMW 325i/ci & 330i/ci (E46) L6 2.5L/3.0L 2001-2006 BMW 330i Base $1,532.00 |

IN STOCK 140084System features polished T-304 stainless steel tips. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla... Borla 01-05 BMW 325/330i Catback Exhaust 2001-2006 BMW 330i Base $1,891.99 |

OUT OF STOCK 106-0909BRExhaust Direct-Fit Replacement Exhaust Kit 106-0909 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0909’... MagnaFlow BRE Exhaust Kit 01-06 BMW 330Ci 330i 3L 2001-2005 BMW 330i Base $1,228.00 |

IN STOCK - DROPSHIPS 16533The MagnaFlow Touring Series Cat-Back Performance Exhaust System 16533 is the perfect partner for your 3.0L 2001-2006 BMW to take on a grand tour or a weekend cruise thanks to the powerful, resonant exhaust note and dyno-proven performance it brings to the table. This durable, corrosion resistant st... MagnaFlow SYS C/B 01-05 BMW 330I/CI 3.0L 2001-2005 BMW 330i Base $1,424.00 |