Quote:
Originally Posted by knowthebattle
So in the future I'm going to be installing a new exhaust. This will all be custom work. I was wanting to add some better exhaust tips, however I don't know a good size.
Can I fit 3" tips out of the cutout?
2005 3.0i.
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Hahaha I actually went to a muffler guy for my car. Our z4 the non-M version is very different underneath compared to the Z4M. We have 2.5 in exhaust running straight through. Not sure for your year but what I did was a 2.5 where the cat is and extended the diameter to a 3 inch and a 3.5 inch blast pipe. My car is basically loud at all times. I deleted muffler and both the resonators. Full on stock exhaust I started to notice a burble and popping on down shifts when it was stock still. Had the car for a year and noticed it recently. Not sure if its because before the car was shitty and I took a hit on repairs...about $2,300 of fancy repairs and after that, I started to notice the burble so I went ahead and did a straight pipe and I now set off alarms like no other. Its very nice to be honest
