Maxton Design Rear Valance BMW 4 Coupe / Gran Coupe M-Pack F32 / F36 (Version with exhaust on both sides) Insignia (MK1) if you place an injector

if you place an injector 4-5mm lower into the cylinder head it subjects it to extreme higher temperatures which also contributes to premature seal failure and can cause detonation problems

twin-pass core design that covers the full width of the vehicle’s grille area

Pro Hoses silicone hose joiner available in Black

All relevant fittings and gaskets are supplied (quad exit rear panel included)

This Blow Off or Dump valve has been specifically designed for the Renault Megane RS250 RS265 and RS275

Maxton Design Rear Valance BMW 4 Coupe / Gran Coupe M-Pack F32 / F36 (Version with exhaust on both sides) Insignia (MK1) if you place an injectorRear Valance BMW 4 Coupe Gran Coupe M Pack F32 F36 (Version with exhaust on both sides) FITS ONLY: BMW 4 Coupe M Pack F32 (2013 2020) BMW 4 Gran Coupe M Pack F36 (2014 2021)