Valved axle-back
BMW G80/G82/G83 M3/M4 Valved Axle-Back
$2,190
- Stainless axle-back with quad tips
- Works with the factory exhaust valves
- Replaces the rear axle-back section only
Skip to product information
BMW M3/M4 (G80 | G82 | G83) Stainless Steel Catback Exhaust System
$2,995.00
- Part number
- G80AXBCK
- Fits
Not sure it suits your car? Send us your VIN or rego and we'll confirm fitment before you order. Check fitment
In Adelaide? We can fit it at our Stepney workshop. Book fitting
CHASSIS FITMENT NOTICE
100% PLATFORM COMPATIBILITY VERIFIED
Every order is cross-referenced against vehicle specifications, chassis diagrams, and manufacturer technical bulletins prior to order submission to eliminate incorrect part risk.
VIN / Rego Verification: Please supply your vehicle registration or VIN when submitting your enquiry so our technicians can verify fitment before order finalization.
FITMENT GUARANTEED
Every part checked against vehicle specs, registration, or VIN before order finalization.
1-2 WEEK TYPICAL LEAD TIME
Sourced direct from verified manufacturers with active supplier order tracking.
TRANSPARENT FREIGHT
Quoted to your door before you pay, or free pickup at our Stepney workshop.
PROFESSIONAL INSTALLATION AVAILABLE
In-house fitting and calibration in Stepney, Adelaide.
Manufacturer's warranty on every part. Faulty, damaged or not what you ordered? Tell us within 7 days and we cover the return freight. Returns and warranty · Shipping
Freight quoted to your door
This is a large or heavy part, so we quote freight to your postcode before you pay anything. Free collection from our Stepney workshop.
Get a freight quoteWe reply within one business day. Prefer to talk? Call 0422 493 405.
Options for your car
Compare G80 M3 / G82 M4 rear exhausts
Valved catbackViewing
BMW M3/M4 (G80 | G82 | G83) Stainless Steel Catback Exhaust System
$2,995
- 304 stainless, bolt-on at factory mounts
- Works with the factory exhaust valves
- Replaces the factory rear section
Product description
BMW M3/M4 (G80 | G82 | G83) Stainless Steel Catback Exhaust System
Upgrade your S58-powered BMW M3 or M4 with a high-performance, valved catback exhaust engineered to enhance sound, flow, and driving experience. This exhaust system replaces the restrictive factory rear section with premium stainless steel construction, delivering a deeper, more aggressive tone while retaining full compatibility with your car’s factory valved exhaust controls.
✔ Premium Stainless Steel Construction
Built from durable 304 stainless steel for superior corrosion resistance, long life, and track-ready performance.
✔ Direct OEM-Style Fitment
Designed as a bolt-on replacement that installs using factory mounting points — no cutting or modifications required.
✔ Full Valved Operation
Retains and works seamlessly with your vehicle’s original exhaust valve system so you can enjoy both refined daily driving and an aggressive soundtrack when you want it.
✔ Enhanced Exhaust Sound
Releases more exhaust flow than stock, creating a richer, fuller, and more dynamic sound across the powerband.
✔ Performance-Oriented Design
Improved exhaust flow helps reduce back-pressure and enhances throttle response — especially noticeable when paired with tuning or performance midpipes.
See our G80 M3 and G82 M4 exhaust guide for which exhaust parts suit your car.
More parts for the BMW G80 M3 & G82 M4: M Performance Style Pre Pregged Dry Carbon Diffuser For BMW M3 G80 G81 / M4 G82 G83 (Centre Exhaust) 2020+ and CS Style Pre Pregged Dry Carbon Fiber Spoiler for BMW 3 Series G20 / M3 G80 2020+. See all BMW G80 M3 & G82 M4 parts.
Delivery and fitting
ORDER-IN & LOGISTICS
PRE-PURCHASE & SHIPPING FAQ
How does the order-in process work?
We verify live supplier inventory and issue a comprehensive written quote covering the part, current AUD pricing, GST, and tailored freight to your address (or free Stepney collection). Once you review and approve the quote and vehicle fitment is confirmed, your order is secured directly with our manufacturer allocation.
What are the estimated delivery times?
Typical delivery is 1 to 2 weeks for air freight sourced directly from verified European and international manufacturers. Active consignment tracking is maintained throughout transit until parts arrive at our Stepney workshop for collection, workshop installation, or dispatch to your door.
Can I pick up or have parts installed locally?
Yes. Free local collection is available from our Stepney workshop facility in Adelaide. We also offer professional in-house fitting, alignment, and calibration by European platform technicians. Simply select "Supply and fit at Stepney" when submitting your enquiry.
What happens if fitment is uncertain?
Our workshop technicians cross-reference manufacturer technical schematics, platform codes (such as S58, B58, S63TU), and your vehicle registration or VIN before placing the order. If there are model-year variations, aftermarket modifications, or clearance concerns, our team confirms compatibility with you and the supplier prior to commitment.
Questions
Questions about this part?
Tell us your car's model, year and VIN or rego and we'll confirm fitment, lead time and freight before you pay anything. Quote part number G80AXBCK when you get in touch.
More answers on our FAQ page, or visit the workshop at Unit 81, 75–91 Magill Road, Stepney SA.
Enquire about this part
Tell us about your car and we will confirm fitment, availability and a quote. Parts are ordered in; freight is quoted separately. This enquiry does not place an order.
