Stainless Steel Headers for M113 Engines ferrari-612--2004-2011--esr6569405 E 400 BiTurbo (W212 -

E 400 BiTurbo (W212 - M276 Biturbo 4-MATIC Engine) Stock Performance:

The supercharger and it's pulley remain untouched and do not conflict future warranty issues

Up to 365HP and 300LB-FT

Rated by Mercedes-Benz:       402 HP @ 5

this slippage becomes a liability once cruising speed is achieved

Stainless Steel Headers for M113 Engines ferrari-612--2004-2011--esr6569405 E 400 BiTurbo (W212 -RENNtech Stainless Steeel Exhaust Headers for M113 55 AMG Engines. Gaines: +15HP & 20TQ RENNTECH stainless steel and ceramic coated exhaust headers offer true bolt on installation, mounting directly to the OE down pipes and all RENNTECH headers are hand built from mandrel bent, seamless tubing and CNC machined stainless flanges. Advanced computer aided design (CAD) and flow analysis software allows RENNTECH headers to deliver substantial gains across