RENNtech Stainless Steel Headers for M273 Engines (230-SL 550) carbon-fiber The turbo tubes are ceramic

The turbo tubes are ceramic coated in titanium to sustain high temperature and provide a more aesthetic look in the engine bay

Dyno measured by RENNtech (peak):               189 HP @ 3

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

520 LB-FT @ 2

RENNtech Stainless Steel Headers for M273 Engines (230-SL 550) carbon-fiber The turbo tubes are ceramicRENNtech 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