The catless SUPERCIRCUIT Downpipes bring the twin-turbo BMW F82 M4's S55B30T0 engine, which is capable of 425hp and 550Nm of torque, to a new height!
The S55 engine is the high performance version of the N55 engine. It was introduced in the F80 M3 and F82 M4, replacing the BMW S65 naturally aspirated V8 engine used in the previous generation M3.
Differences compared with the N55 include a closed-deck engine block, lightweight crankshaft, strengthened pistons, different valve material, twin turbos, twin fuel pumps, active exhaust and revised intercoolers.
The free-flow SUPERCIRCUIT Downpipes are made of grade 304 mandrel bent stainless steel and are fully TIG/Argon welded on CNC machined flanges for direct bolt-on application. They are made according to the shape of the BMW F82 M4 factory stocks original downpipe but with larger bore and catless!
The below pictures show how the two SUPERCIRCUIT downpipes are installed to the BMW F82 M4. They are designed for direct bolt-on application and fully compatible with the factory stock original cat-back exhaust system. No mod or weld is required during the installation.
The SUPERCIRCUIT downpipes are clamped onto the turbo outlets of the BMW F82 M4 via the original exhaust clamp at the top, and bolted onto the rest of the exhaust system at the bottom.
The SUPERCIRCUIT Downpipes are fully compatible with the BMW F82 M4 factory stock original cat-back exhaust system. Just a direct swap, no mod is required.
This catless downpipe is ideal for ecu tuning or remapping. To purchase or for more information about the above SUPERCIRCUIT direct bolt-on catless downpipes made for the BMW F82 M4 with the S55B30T0 engine, please visit us at SuperCircuit exhaust Pro Shop, SS13 Subang Jaya Industrial Estate. Tel: +6 03 5632 2855 or Send Us A Message using the form on the right of this page.
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