Full German soundtrack at wide-open-throttle.Neighborhood-friendly sound on the street.Plus, the MagnaFlow Cat-Back is significantly lighter than the factory 330i exhaust, so it doesn't just look beautiful and sound great - it improves handling and power-to-weight ratio as well. The mufflers are lap-joint welded for solid construction and rugged reliability even in the most extreme conditions, and they feature a free-flowing, straight-through perforated stainless steel core, stainless steel mesh wrap, and acoustical fiber fill to deliver the performance and sound your car deserves.Įach MagnaFlow exhaust is designed to provide years of trouble-free performance with better-than-stock looks, plus a lifetime warranty to back it all up. MagnaFlow Cat-Back Exhausts are constructed of 100% polished stainless steel. The smooth, deep tone is suitable for mild-mannered street cars driving around town, yet it opens up nicely under wide-open throttle to have you smiling all the way to the rev limiter. MagnaFlow's full E46 cat-back system cures that problem with wide-open performance mufflers that offer a moderately aggressive sound. Most BMWs sound nice from the factory, but they're designed to have a more subtle tone for the average BMW owner, so there's only a whisper of the available performance. Not for convertible models or cars with automatic transmission. You can view a schematic of the full system by viewing the instructions PDF below. If you're looking for the 'full' cat-back system for 325i/330i you should consider this system over the standard cut/clamp version we also offer.

This is a complete bolt-on solution from the catalytic converter back. The difference is that this system includes flanges for a true bolt-on to the stock manifolds and adds a 330-tuned front resonator.

MagnaFlow has two systems for the E46 325i/330i: this system and part #16748. Fits E46 coupe and sedan models with manual transmission only.

The MagnaFlow Cat-Back Exhaust for your 2001-2005 325i/330i not only offers dyno-proven gains and superior fitment, it also makes your E46 sound the way it should've from the factory.

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