[xxatticus]

Originally Posted by Thunderguts

Here is a clip of a hot start with some revving and a few pulls.

https://clyp.it/fubzhkzb

I have the opportunity to pick up a used 135i PE for cheap near me for my 128i. I see 135i owners talking about also getting a Y pipe. Is this necessary or do I just need to get the exhaust and clamp to get your sound?