Kleemann high flow exhaust headers for the W463 (M113K). The cat-less downpipes greatly reduce exhaust gas back pressure, allowing the engine to breathe freely and produce more power. Smooth mandrel bends, sequenced conical collectors and a crossover pipe to balance exhaust pulses. Our headers are produced from 304 stainless steel and polished to a high shine. Supercharged as well as normally aspirated engines, will benefit from our headers. Cut and weld is needed.

Requires a cut and weld into original down pipe. An ECU Upgrade is a must in order to keep off the MIL Light.
The Kleemann header Kit adds approx. + 25-35 HP across the rev. line, depending on whether it is normally aspirated or a kompressor model.

• With a “normally aspirated car” you will need this ECU Upgrade.
• If you have an AMG kompressor model,  you will need this Kleemann Boost Kit at stage 1.

Fits all LHD and RHD vehicles.