AC Schnitzer Quad Tip Sports Exhaust Muffler/Rear Silencer Back Box, 90mm Chrome Tips for BMW 6 Series F12/F13 650i – ACS Quad Tailpipe Conversion Upgrade

Quad-tip rear silencer upgrade for BMW F12 and F13 6 Series 650i

Give your 6 Series a sharper, more purposeful rear end with this premium quad tailpipe rear box. The system uses the performance-focused export rear silencer and features four 90 mm outlets, two per side, finished in a high gloss chrome with precision-etched ACS branding for a factory-plus look.

Why choose this quad tailpipe rear box

• Four 90 mm polished chrome tips for a clean, motorsport-inspired appearance
• Export-spec sports rear silencer for a sportier character
• Etched branding on each outlet for an authentic premium finish
• Designed to integrate with matching ACS body components for a seamless fit

Compatibility and fitment notes

Vehicle: BMW 6 Series F12 and F13 650i.

• SE and Sport models require the ACS rear skirt.
• M Sport models require the ACS carbon fibre rear diffuser.
• Not compatible with the standard factory rear skirt on either model.
• Please select the correct engine option when ordering.

What enthusiasts are searching for

BMW F12 exhaust upgrade, BMW F13 650i rear box, quad tip muffler, performance back box, quad tailpipe conversion, polished chrome tailpipes, 90 mm tips, rear silencer upgrade for BMW 650i, F12 F13 quad exhaust look, premium German tuning exhaust.

Proven quality at MJ Modifications

We have fitted this system for customers and on our own builds. Feedback has been consistently positive on the fit, finish and the transformed look at the rear of the car.

Professional installation available

For fitting, book with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.

Upgrade your F12 or F13 650i with a high quality quad tailpipe rear silencer and give your BMW the stance and style it deserves.