AC Schnitzer Valved Axle-Back Sports Exhaust for BMW M3 F80 (2014-2018) Saloon/Sedan | Quad 90mm Matt Black Ceramic-Coated Tips | Performance Rear Box/Backbox | S55

BMW M3 F80 performance rear section with valved quad outlets in matt black

Unlock the soundtrack your F80 saloon deserves with this AC Schnitzer performance rear box. Engineered for the BMW M3 platform, it delivers a richer, more assertive tone while keeping everyday civility thanks to the retained factory valve control. Expect a cleaner, more resonant note, a noticeable weight saving over the OE system, and a bolder rear-end look with 4 x 90 mm tailpipe outlets finished in a premium matt black ceramic coating or a high-shine chrome option. Subtle AC Schnitzer branding on each tip completes the factory-plus aesthetic.

• Designed specifically for BMW M3 F80 owners seeking an exhaust upgrade with valves
• Quad 90 mm tailpipes for a purposeful, motorsport-inspired appearance
• High quality stainless construction for durability and corrosion resistance
• Keeps the original valve operation for quiet cruising and an aggressive sound on demand
• Lighter than stock for improved response and a more engaging drive
• Choice of finishes: matt black ceramic coated tips or polished chrome tips

Export version with high flow sports catalysts

Looking for even more presence and performance potential on track or export markets? The Export configuration adds centre link pipes with high flow sports catalytic converters. This setup increases volume and character while reducing back pressure for a freer-revving feel.

Ideal search terms and fitment highlights

If you are browsing for BMW M3 F80 exhaust upgrade, M3 F80 valved backbox, S55 quad tip system, matt black tips, ceramic coated tailpipes, high flow sports cats or link pipes for M3 saloon, this is the premium solution from AC Schnitzer. It is a direct upgrade for the F80 chassis and complements other M3 performance parts and tuning upgrades.

Why buy from MJ Modifications

We have installed this system for M3 owners and the feedback has been consistently excellent. Customers love the deeper tone with the valves open and the refined note in comfort. For professional fitting, speak to MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Carbon rear diffuser available separately to complete the look.