Stainless Steel Headers for M113 Engines ferrari-612--2004-2011--esr6569405 Our complete lowering kit allows

Our complete lowering kit allows full adjustment without the need to purchase an entire coilover conversion kit and comes with an adjustment tool to make on-the-fly suspension adjustments

495 LB-FT @ 4750 RPM

Rated by Mercedes-Benz:       402 HP @ 5

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

Stainless Steel Headers for M113 Engines ferrari-612--2004-2011--esr6569405 Our complete lowering kit allowsRENNtech 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