Quote:
Originally Posted by dmxc44
I have a 2009 335i coupe. I havent done any work on it yet but been wanting to for a while. I was thinking about getting Dinan exhaust or Performance kit(cold air intake) but not sure which would be best. Im doing dinan because I want to keep my warranties. Any suggestions?
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Definitely go with the intake first, the exhaust is just an axle back. Won't give you much gain as far as the extra power goes. The intake on the other hand, will give you a nice bump in power and improved throttle response. The axle back is only good for sound, if you want power go with catless down pipes.