Jan 30 2008
E-bay Black Ceramic Coated Headers (For US-Spec E46 M3)
Many members of m3forum.net have actually tried the $100 headers from e-bay. You can choose from the black-ceramic coated headers or the stainless-steel JVT headers (which are of the same style as the SuperSprint V2 headers). In fact, there are dyno reports and proven gains of 25-30 rwhp and 20-25 rwtq with these headers. It is expected since you are deleting the factory catalytic converters from the exhaust stream. Those numbers are WITHOUT aftermarket software to take advantage of the headers. Pretty good bang for $100 shipped! (thread example: )
A few pics:
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