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      01-01-2013, 03:41 AM   #13
Vic311
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Drives: 2011 e92 M3
Join Date: Dec 2012
Location: NY

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Quote:
Originally Posted by Rshane View Post
The best way is to supercharge. The other way is to make small gains by buying many little bolt ons that will net you about a 5th of the horsepower at about half the price of supercharging.
I dont know if "best" is the correct adjective "most" power?..sure..but then you are going FI..completely different animal..

OP is looking for cheapest ways and they have been suggested..removing intake/exhaust restriction is the cheapest..lots of parts are available for sale second hand to minimize cost.