Sounds better then I thought it would be
Quote:
Originally Posted by CoolWave911
Okay so I'm going with Racechip GTS Black since they have a dyno run video with some good figures on a 530i to back up their claims.
Exhaust wise, I've seen a video from a member here who had his 530i's muffler deleted and it sounds awesome.
K&N drop in filter
Aluminium chargpipe since the piggyback will increase boost and it concerns me deeply having to run the extra boost on the stock pipe
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