Austrian‑built axle‑back upgrade for Audi A4 B8 Avant 1.8 TFSI CDHB with dual 102 mm outlets

Give your A4 1.8 turbo petrol a proper voice and a premium finish with this hand‑crafted rear muffler from Remus. Designed specifically for the B8/8K Avant with the CDHB engine, this stainless rear box delivers a deeper, sportier tone, reduced back pressure and eye‑catching twin 102 mm tailpipes that fill the factory valance perfectly. Shot‑blasted for durability and built in Austria, it is a high‑quality performance muffler that looks and sounds the part while retaining road legality through European type‑approval.

We run these systems on our own cars and customer builds, and feedback has been consistently excellent for sound quality, finish and fit. If you are searching for an Audi A4 8K estate exhaust sound upgrade, a rear muffler replacement with twin outlets, or an axle‑back solution with large 102 mm tips, this is the proven choice.

Why enthusiasts choose this system

• Deeper, more purposeful exhaust note without compromising day‑to‑day use
• Lower back pressure for a sharper throttle response
• Precision fitment for A4 B8 Avant 1.8 TFSI CDHB (8K)
• 100% stainless construction with shot‑blasted surface for longevity
• Lighter than the OE rear box
• Hand‑made in Austria with premium welds and materials
• EC type approval for road use where applicable

Vehicle compatibility

• Make: Audi
• Model: A4 Avant (estate)
• Chassis: B8 / 8K
• Engine: 1.8 TFSI turbo petrol
• Engine code: CDHB
• Year: 2008 onwards
• Layout: twin outlet, left and right

Tailpipe finishes

• 2 x 102 mm angled, rolled edge, chrome finish
• 2 x 102 mm carbon fibre sleeves with titanium inner section

What you’ll notice

A richer tone at idle, a stronger note under load and a refined soundtrack on the motorway. The twin tips give the rear end a purposeful OEM+ look, and the high‑grade stainless with a shot‑peened surface resists corrosion for years. If you’re comparing A4 B8 rear box options, this axle‑back offers a standout blend of sound, quality and fit.

Installation and support

Professional fitting is recommended. Book installation with MJ Modifications in Warwickshire and get a tailored quote: info@mjmodifications.co.uk

Notes

• For vehicles without GPF/OPF/PPF

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