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BMW

Remus 081023 1510-4 BMW G80 G82 Racing Axle-Back Exhaust System (M3, M3 Competition, M4 & M4 Competition)

Remus 081023 1510-4 BMW G80 G82 Racing Axle-Back Exhaust System (M3, M3 Competition, M4 & M4 Competition)

£2,500.88
£2,632.50 £2,500.88
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Unleash the S58 soundtrack on your BMW M3 and M4

Give your G80, G81, G82 or G83 the voice it deserves with this Remus track-focused rear section. Precision built in Austria from 100 percent stainless steel with a shot-blasted finish, it delivers a deeper, more aggressive tone, reduced back pressure and a weight saving, all while keeping factory valve control for daily-drive civility when you want it. The result is a premium performance exhaust upgrade that looks, fits and sounds superb.

Part number

081023 1510-4

Includes: 081021 1401 + 081023 1510

Why enthusiasts choose this Remus rear section

  • Race-inspired sound with a rich, motorsport character
  • Retains OEM valve control via original actuators for comfort or loud at the touch of a button
  • Crafted from high-grade stainless steel with a shot-blasted surface
  • Optimised flow thanks to larger 76 mm pipework versus the 70 mm factory tubing
  • Lower back pressure to help the S58 breathe
  • Lightweight construction and precise fit on factory mounting points
  • Handmade in Austria with a 24-month warranty

What’s included

Central sports rear silencer with integrated valves and connection tubing featuring a spherical joint for a secure, leak-free fit. Tip sets are optional extras so you can tailor the finish to your taste.

Tailpipe choices - sold separately

Fitment - BMW applications

  • G80 M3 2021+ with and without GPF-OPF
  • G80 M3 Competition 2021+ with and without GPF-OPF
  • G81 M3 xDrive Touring Competition 2021+ 3.0 S58 with or without GPF-OPF
  • G82 M4 2021+ with and without GPF-OPF
  • G82 M4 Competition and M4 xDrive Competition 2021+ with and without GPF-OPF
  • G83 M4 Convertible Competition 2021+ 3.0 S58 with or without GPF-OPF
  • Type reference: G234M

Sound and performance focus

Engineered for enthusiasts who want more character from the S58 twin-turbo straight-six, this valved rear silencer delivers a pronounced, motorsport tone when open and a more refined note when closed. The larger 76 mm tubing and thoughtful internal design target reduced restriction for improved response.

Installation notes

  • Direct fit to factory hangers and integrates with the original valve motors
  • Requires cutting the OE system for installation at the specified join
  • Track use only - not homologated for public road use
  • For cars running track-only hardware, an ECU calibration is advisable to optimise performance and help avoid warning lights

Technical details

  • OEM tube diameter: Ø 70 mm
  • Remus tube diameter: Ø 76 mm
  • Material: 100 percent stainless steel, shot-blasted
  • Warranty: 24 months
  • Manufactured in Austria

Our experience

We have fitted this system for many customers and the feedback has been consistently excellent. Fitment is spot on, the finish is premium and the sound transformation is exactly what G8X owners want from a performance rear section.

Professional fitting

Want it installed by specialists who know G8X cars inside out? Book fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Compatibility check before dispatch

For peace of mind, we can verify suitability against your vehicle using your UK registration or the last 7 of your VIN. Add your details at checkout and we will confirm fitment prior to shipping.

Search-friendly terms

BMW M3 G80 exhaust upgrade, M4 G82 rear silencer, valved sports exhaust for S58, performance back box for G8X, GPF-OPF compatible rear section, quad tip exhaust for M3 Competition and M4 Competition, G81 Touring exhaust, G83 convertible exhaust, stainless steel performance exhaust UK, Remus rear muffler for BMW M3 M4.

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