E46 M3 Headers

These high quality headers are a direct bolt on for the US BMW E46 M3 and deliver an impressive boost in power over the stock manifolds by removing the restrictive catalytic converters. In our testing for our own E46 M3 Grand Am race cars, we've found the US S54 engine simply needs a good set of headers to make better power. For years, we've been using the factory BMW Euro headers to give the US E46 M3 a big boost in power. Recently the factory headers have jumped up in price from BMW, opening the door for a lower cost alternative -- and these are them! These aftermarket coated headers accomplish the same goal and save you big money over the Euro M3 headers. Pulse-tuned length ensures maximum exhaust flow, while a dual-stage thermobaric ceramic coating lowers radiated heat temperatures by up to 65% as well as increasing the exhaust scavenging effect and reducing corrosion. Headers come ready to be installed, and include new manifold gaskets, exhaust crush/seal rings, as well as loctite thread sealant.

If you're adding these headers to your M3 or MZ3 (with S54 engine) than we highly reccomend also purchasing the Shark Injector Race software - tuned for headers and no cats. An extra power boost, quicker throttle response, no top speed governor, and no Check Engine Light!

Since this upgrade removes all of the catalytic converters, it is intended for off-road use only. A waiver is required before items can ship, download here.

These coated headers fit the following BMWs:
2001-2006 E46 M3 coupe & convertible(Left Hand Drive Models Only)