AKRAPOVIC S-BM/TI/33H Slip-On Line Exhaust System (Titanium) for BMW M3 (G80 / G81) / M4 (G82 / G83) 2021-

This high-quality, lightweight titanium exhaust system with handcrafted carbon fiber tailpipes is 35% lighter than the stock system and features a pair of manifolds cast in our own foundry. The Slip-On Line comes with a specially developed Akrapovič control unit to deliver the full sound experience. The sound is characterized by a rich tone during normal driving, transitioning to a deep sporty sound during more dynamic M3/M4 driving. The sound is perfect at all RPMs, providing comfort and sportiness in one exhaust. The innovative octagonal shape has been crafted from lightweight titanium with a carbon fiber outer sleeve for the tailpipes, while a classic cylindrical design is offered for more traditional buyers.

The system provides an 8.0 kW (10.9 hp) power increase at 6000 rpm and 13.9 Nm of torque at 5000 rpm when tested on an Akrapovič dyno against a BMW M4 Competition with a standard stock exhaust. No re-mapping is required for this configuration, and it is suitable for all vehicles (OPF and non-OPF), but the ECE type approval is only valid for vehicles equipped with an OPF.

For those who wish to convert the exhaust for closed-course use, optional link pipes and downpipes are available. An optional Akrapovič Sound Kit is also available. Once the optional link pipes, downpipes, and Akrapovič Sound Kit are installed, the ECE type approval for the Slip-On Line (Titanium) is no longer valid. An optional handcrafted carbon fiber rear diffuser is also available to add an extra visual flourish to the Akrapovič tailpipes.

The exhaust system is also suitable for xDrive, CSL, M3 Touring (G81), M4 (G83) Competition, and Convertible models. The ECE type approval certificate is not valid for the CSL model.

The Slip-On Line exhaust system is ECE approved for cars equipped with an Otto/gasoline particulate filter.

The exhaust tailpipe set (carbon) must be ordered separately as a mandatory part. Please select TP-CT/69 or TP-CT/68 or TP-CT/73/CF.