Remus BMW G80 G82 Racing Axle-Back Exhaust System for M3, M3 Competition, M4 and M4 Competition
Upgrade your BMW M3 G80 or M4 G82 with the Remus Racing Axle-Back Exhaust System. This is the go-to BMW M3 exhaust upgrade and BMW M4 exhaust upgrade for drivers who want an aggressive racing sound, improved throttle response and quality engineering. Designed for both standard and Competition models, with and without GPF, this valved axle-back exhaust delivers the soundtrack your S58 deserves while retaining factory valve control via the OEM actuators.
System consists of the Remus RACING sport exhaust centre section and connection tube package with integrated valves. Installation uses the factory mounting points for a precise fit. Tail pipes are sold separately so you can choose your ideal finish.
Part number: 081021 1400 + 081021 1510
Why choose the Remus Racing Axle-Back for G80 M3 and G82 M4
- Aggressive racing sound that transforms the BMW M3 and BMW M4 driving experience
- Valved exhaust using OEM actuators for in-cabin drive mode control
- Shot blasted surface, 100 percent stainless steel, handmade in Austria
- Larger diameter piping for lower back pressure and performance potential
- Lightweight construction with perfect shape and fitment
- Direct fit to factory mounting points with spherical connection
- 24 month Remus warranty
Tube diameter:
- Original tube: 70 mm
- Remus tube: 76 mm
Tail pipe options sold separately
Please note: Tail pipes are not included in this kit. Sold separately.
- Stainless Steel Chromed Angled Rolled Edge Ø 102 mm
- Stainless Steel Chromed Angled Straight Cut Ø 102 mm
- Stainless Steel Chromed Straight Cut with Carbon Insert Ø 98 mm
- Stainless Steel Black Chrome Straight Cut with Carbon Insert Ø 98 mm
- Carbon Tail Pipe Set with Titanium Internals Ø 102 mm
What you get
- Remus RACING sport exhaust centred section with integrated valves
- Connection tube package with spherical connection
- Compatibility with OEM valve actuators and vehicle electronics
Fitment and installation
- Fits factory mounting points for a straightforward install
- Attention: The original exhaust requires cutting for installation
- Valve activation is controlled by the original BMW actuators and onboard electronics
- Type reference: G234M, suitable for vehicles with and without GPF
Professional fitting: We recommend professional installation. Nforcd offers in-house fitting in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Compatibility
- BMW G80 M3 (2021+) with and without GPF
- BMW G80 M3 Competition (2021+) with and without GPF
- BMW G82 M4 (2021+) with and without GPF
- BMW G82 M4 Competition (2021+) with and without GPF
Compatibility check: We verify fitment before dispatch. Provide your UK registration or last 7 of your VIN at checkout.
Important notice
RACING product. No ECE type approval. Not for use on public roads. Intended for closed-course and track use only.
For racing systems, an ECU remap may be advantageous to optimise performance and help prevent a check engine light.
Manufactured by
Remus
Warranty
2 year Remus warranty, non-transferable
Real-world feedback
We have fitted and used this Remus Racing axle-back on customer G80 M3 and G82 M4 builds, and feedback has been consistently positive. Owners love the deeper, more aggressive tone, the premium finish and the seamless valve integration that keeps daily drivability intact while unlocking serious sound when you want it.
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