535i Dual Cone Intake
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Joined: Mar 2007
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From: SoCal
My Ride: 08 535i, A/T & Paddle Shifters, AW, NB Leather, Sport, Premium, Nav, 6FL
My friend, you can't judge a mod if you're IGNORANT about the N54 engine. You need to read more 411. You're questions are answered in this thread.
http://www.e90post.com/forums/showthread.php?t=147399
Check out the Dyno sheets and this one i got from N54tech.com. There's an obvious WHP gain. Also, you can't compare a 1.8 to a 3.5. Two different engines. Obviously, a bigger displacement benefits more on this kind of mod IMO.
FYI, an exhaust for a turbo car is a plus because the stock muffler is restrictive just like the stock air box.
http://www.e90post.com/forums/showthread.php?t=147399
Check out the Dyno sheets and this one i got from N54tech.com. There's an obvious WHP gain. Also, you can't compare a 1.8 to a 3.5. Two different engines. Obviously, a bigger displacement benefits more on this kind of mod IMO.
FYI, an exhaust for a turbo car is a plus because the stock muffler is restrictive just like the stock air box.
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