2021+ M3 M4 Slip-On Line Titanium (AKRS-BM/TI/33H)

The Akrapovič Slip-On Line (Titanium) for the 2021+ BMW M3 and M4 (G80/G82) is a flagship exhaust system that balances weight reduction with a versatile acoustic profile. Constructed from high-grade lightweight titanium, this system is 35% lighter than the factory exhaust and features collectors cast in Akrapovič’s in-house foundry. It includes a specialized control kit designed to provide a rich tone during cruising and a deep, aggressive soundtrack during spirited driving, ensuring comfort and performance in a single package.

Features

• Lightweight Titanium Construction: Achieves a 35% weight saving over the stock system, enhancing vehicle agility and rear-axle dynamics.
• Proven Performance Gains: Dyno-tested increases of 10.9 hp at 6,000 rpm and 13.9 Nm of torque at 5,000 rpm compared to a standard stock exhaust.
• Advanced Control Kit: Includes a specially developed electronics kit to manage the exhaust valves for a tailored sound experience across the rev range.
• Versatile Fitment: Compatible with both OPF and non-OPF vehicles, as well as xDrive, CSL, LCI, M3 Touring, and Convertible models.
• No Remapping Required: Designed as a plug-and-play system that works with the factory ECU settings.
• In-House Cast Collectors: Features high-precision collectors crafted in Akrapovič's own titanium foundry for optimized exhaust flow.

Compatibility

• Fits 2021+ BMW M3 (G80) and M4 (G82/G83) models, including Competition, xDrive, CSL, LCI, and Touring (G81).
• Mandatory Requirement: A Tail Pipe Set (Carbon) must be ordered separately. Options include the octagonal design (TP-CT/69) or classic cylindrical designs (TP-CT/68 or TP-CT/73/CF).
• ECE Type Approved: Certification is valid for vehicles equipped with an OPF filter (excluding CSL models).
• Optional Enhancements: Can be paired with a handcrafted carbon-fiber rear diffuser, Akrapovič Sound Kit, or link pipes and downpipes for track use.