01-15-2016, 10:34 AM
*insertusernamehere* Wrote:Oh and also, lay down on the floor and get underneath your muffler and the tailpipe on the passenger side should have a little vacuum line plugged into the side of it, unplug it, plug the vacuum line with something the same size - forum people use a golf tee - and then zip tie the line to something or tape it somewhere. That'll keep the flap in the tailpipe open below 3k rpm so you can get a smidge more bass around town. From my memory i also got significantly more burbles and pops when you come off throttle and in between shifts when you do this. Also when you rev matched. It's referred to as the "golf tee mod". Barely a mod but i'll roll with it lol.
This only applies to the 330i and maybe the 328i. The 325i has no flap.
Now: 07 Porsche Cayman S | 18 VW Tiguan
Then: 18 VW GTI Autobahn | 95 BMW M3 | 15 VW GTI SE | 12 Kia Optima SX | 2009 VW GTI | 00 BMW 540i Sport | 90 Mazda Miata | 94 Yamaha FZR600R | 1993 Suzuki GS500E | 2003 BMW 325i | 95 Saab 900S