Milltek Sport Resonated (Quieter) Cat Back Exhaust – Audi S4 B9 Non sport Diff models (2016 on)
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Sound level
Milltek sound levels
- Standard exhaust Your car as it left the factory: one bar.
- Resonated Keeps a centre resonator: deeper and more refined, with the least motorway drone. Most EC-approved systems are Resonated.
- Road+ A step up from Resonated: more presence, still made for everyday driving.
- Non-Resonated No centre resonator: noticeably louder and more aggressive, especially under load.
- Race The loudest, built for maximum flow and track days. Not EC approved.
Milltek make this exhaust in 2 sound levels for your car. Each is a separate exhaust: tap another level to see it.
ResonatedDeep and refined, the least motorway drone✓ This exhaust
Non-ResonatedNo centre resonator: louder and more aggressiveView this exhaust →
Milltek Sport
£2,839.23 GBP
£3,154.70 GBP
Made to order – estimated dispatch 27 November
Free UK Delivery £100+
14-day returns
99.8% positive (32,800+ reviews)
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Key facts
- Sound level
- Resonated (Quieter)
- Pipe bore
- 2.5" (63.5mm)
- EC approved
- Yes
- ECU remap needed
- No
- Fitting time
- 1–1.5 hours
- Made by
- Milltek Sport, Derbyshire
What's in the box
- RH Downpipe
- Front Silencer
- Connecting Pipe
- LH Rear Silencer with Valve
- RH Rear Silencer with Valve
- LH Mounting Bracket
- RH Mounting Bracket
- LH Lower Downpipe (Rhd Cars Only)
- 4 × tailpipe trims in your chosen finish
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Shipping
- All orders dispatched via reputable couriers. Delays may occur.
- Delivery times exclude weekends/public holidays.
- Some items are special order (5 days to 8 weeks).
- Don't book installation before delivery.
Returns
- Return unused goods within 14 days with original packaging.
- No fitting cost coverage.
- No returns on modified/special-order items (20% fee may apply).
- Import duties on returns are not covered.