Manufacturer SKU: MAC.650S.F1.AG McLaren MP4-12C / 650S – F1 Exhaust System T304 Stainless Steel Finished In Anodized Gold Overview The MP4-12C and 650S deliver mind-bending performance, but the 3.8L V8 doesn’t sound the part. The Valvetronic Designs F1 Exhaust System corrects this flaw, unlocking a naturally aspirated, F1-inspired sound. Built from turbo V-bands to tips in full 3.0" diameter, the system merges raw power with refined engineering. Sound & Control - With Free-Flow Downpipes: Amplifies volume, turbo spool, and flames with tuning. Performance Engineering - Signature X-pipe for smoother harmonics and turbo efficiency. - Constructed with Anodized Gold T304 Stainless Steel - Fully mandrel-bent for maximum efficiency and flow. Fitment 2011–2014 McLaren MP4-12C 2014–2018 McLaren 650S Features - Full 3.0" F1 system - Lightweight, durable construction - Precision TIG welds