Evolve LHD 4-1 Stepped Medusa Manifolds - BMW E39 M5 M3 (E46) RKP was responsible for bringing

RKP was responsible for bringing M3 GTS and M3 GT4 racing parts to US M3 owners

The unique growl from the naturally aspirated V10 engine is improved as the performance grows

The 12C with the Akrapovi

5lbs RKP: 7

-OO80mm Endpipes

Evolve LHD 4-1 Stepped Medusa Manifolds - BMW E39 M5 M3 (E46) RKP was responsible for bringingFOR LEFT HAND DRIVE CARS ONLY The largest major restriction point of the E39 M5 S62 V8 engine is the exhaust manifolds headers. Changing the exhaust system without changing the headers gives no gain in power. In fact, changing the header back system gives little if any power gain! The factory items are very poorly designed and looking at them it is clear funds were saved in the department. No other M Power car has ever had headers as poorly designed