Quote:
Originally Posted by ShocknAwe
There is, cut open the stock exhaust and do the performance exhaust mod. Google it. Cut off the tips and add whatever you want if you want it to look different. Or do slipons. Spend the rest of the money on things that actually improve performance if that's your thing.
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I agree. this along with a secondary cat delete is just about the perfect exhaust setup that will still fully pass emissions.
The 135i muffler is great stuff though. we got lots of NA members installing them on their 128i, and the sound is great. I'd probably just leave the muffler as is and either get downpipes or delete the secondaries.