Quote:
Originally Posted by express705
ill think ill go with the BMW performance exhaust.
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That's the right move. I had the Eisenmann Race muffler on my 330i for 2 years. I replaced it with the BMW Perf exhaust about 4 months back - best move ever. Not too loud in the car. No drone compared to the Eisenmann. Nice subtle burble on deceleration. Factory supported. And only about $1100 for a cat back system with factory brainpower behind the design.
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'07 Z4MR '22 GT4 '18 GT3 '16 GT4, '16 M2, '14 X1, '13 135is, '06 330i, '03 323 Ci, '01 330i, '99 M3 (RIP), '96 318is, some non-BMWs