Quote:
Originally Posted by ilia@industry
The Eisenmann Section I&II bolt up to the DP's. There is no cutting or modifying needed.
Eisenmann Section I&II vs. OEM 335i system
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So I can get the full Eisenmann exhaust system (sections I,II & III) and get some sort of down pipes (Riss Racing)? Will this increase more hp than just getting DP?
Also, is cutting needed to install the diffusor to fit the quad pipes?