Remus Axle-Back Rear Section Valved Exhaust for BMW M4 G82 Competition (2021+) S58

BMW M4 G82 rear section exhaust upgrade with quad 98 mm black chrome tips and carbon fibre inlays

Transform the character of your G82 with a premium Austrian-crafted rear exhaust section that delivers a deeper, motorsport-inspired tone and a sharper, freer-revving feel. This valved rear box retains your factory electronic flap control for civilised cruising and instant drama on demand. Built from high-grade stainless steel with a bead-blasted finish and precision welds, it is designed for enthusiasts who want quality, durability and an unmistakable soundtrack.

We run this setup on customer cars and the feedback is consistently outstanding. Expect a richer note, improved flow and weight-optimised construction, all finished off with stunning quad 98 mm outlets in black chrome with straight-cut design and carbon fibre inserts.

Key highlights

• Deep, motorsport tone with valves closed to open via factory controls
• Free-flowing design for reduced backpressure and enhanced response
• Handcrafted in Austria from corrosion-resistant stainless steel
• Bead-blasted finish for a premium, durable appearance
• Lightweight, precision-fit rear section engineered for the G82 platform
• Quad 98 mm tailpipes in black chrome with carbon fibre inlays for a stealthy, high-end look

Compatibility

For BMW M4 G82 with the S58B30A engine rated at 375 kW, model years 2021 onward. Retains the stock electronic valve actuators and control logic.

Installation notes

• This rear section requires trimming of the factory pipework for fitment.
• Professional installation recommended. For fitting, contact MJ Modifications in Warwickshire for a quote: info@mjmodifications.co.uk.

Part number

081021 1400 + 081021 1510 + 0046 98CB

Why this upgrade

If you are searching for a BMW M4 G82 performance exhaust, valved rear silencer, quad tip rear box, S58 sport exhaust, stainless steel rear section or black chrome carbon tip muffler, this system delivers the sound, quality and fit you want without compromise. It keeps the factory valve functionality, offers a purposeful tone when open and a refined note when closed, and is built to a standard that stands up to daily use and spirited driving alike.

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