Maxton Design - Rear Window Extension Audi TT S / TT S-Line 8S Facelift MMR60-0003 Patented Venting Bias Adjustment system

Patented Venting Bias Adjustment system - can be infinitely adjusted between full recirc (silent) and full atmosphere (loud)

✔️BMW 4 Gran Coupe M-Pack G26 2021 -

Inlet: 63mm

which is something that can't be said of our MMX replacement billet underbody brace

The system is a full 70mm diameter none resonated with the option of valved or none valved

Maxton Design - Rear Window Extension Audi TT S / TT S-Line 8S Facelift MMR60-0003 Patented Venting Bias Adjustment systemRear Window Extension Audi TT S TT S Line 8S Facelift FITS ONLY: Audi TT S 8S Facelift (2018 2023) Audi TT S Line 8S Facelift (2018 2023) COMPLETE SET CONTAINS: > Rear Window Extension COLOUR: > Gloss Black Product is made of ABS plastic, needs to be bonded using glue (i. e. windscreen car glass sealant) to rear window. Glue is not included. ABS material was created specifically for use in the automotive industry. ABS is used in production of factory