RENNtech Stainless Steel Headers for M273 Engines (230-SL 550) carbon-fiber improves power distribution

improves power distribution

S63 (W221) Stock Performance:

520 LB-FT @ 2

750rpm Note: Mercedes M176 engine performance when measured on the dyno obtains higher power numbers than rated from factory

RENNtech Coilover Suspension for 207 - E Class Coupé Pre-FaceLift

RENNtech Stainless Steel Headers for M273 Engines (230-SL 550) carbon-fiber improves power distributionRENNtech Stainless Steel Exhaust Headers for M273 Engines (216 CL 221 S). Gains: +11HP & 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