
RENNtech 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 across the entire RPM range
- RENNtech headers are constructed of the highest quality T-304 stainless steel and are ceramic coated to further reduce latent heat in the engine compartment as well as combat against thermal stress.
SL 550 (R230) Stock Performance:
- 382 HP @ 6000 RPM; 391 LB-FT @ 2800-4800 RPM
Gains:
- + 15 HP; 15 LB-FT
Fitment:
- 230 - SL 550


