Performance M
Dinan Free Flow T304 Stainless Steel Axle-Back Exhaust/Back Box for BMW 3 & 4 Series 328i 428i 2.0T (F30 F31 F32 F33, 2012-2015) - Performance Sports Silencer, Twin 70mm Tips (Polished or Black), Bolt-On, Fits RWD & xDrive, N20 Muffler Upgrade UK
Dinan Free Flow T304 Stainless Steel Axle-Back Exhaust/Back Box for BMW 3 & 4 Series 328i 428i 2.0T (F30 F31 F32 F33, 2012-2015) - Performance Sports Silencer, Twin 70mm Tips (Polished or Black), Bolt-On, Fits RWD & xDrive, N20 Muffler Upgrade UK
Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.
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Dinan Performance Exhaust Upgrade for BMW F3x 2.0 Turbo 328i and 428i
Give your BMW 3 Series and 4 Series the soundtrack and response it deserves with the Dinan performance exhaust. This premium T304 stainless system frees up flow for a sharper throttle feel and a deeper, richer tone that stays calm on the motorway yet comes alive when you press on. Ideal for anyone searching for a BMW 3 Series sports exhaust, BMW 4 Series back box, BMW F30 silencer upgrade, F31 estate exhaust, F32 coupe exhaust or F33 cabrio exhaust for 2.0 turbo petrol models.
- Measured gains up to 4 hp and 3 lb-ft for a livelier drive
- Sound engineered to reduce cabin boom at low revs for daily comfort
- Constructed from 16 gauge T304 stainless for long term corrosion resistance
- Dual 70 mm tailpipes with laser-etched branding in your choice of polished or ceramic black
- Direct-fit system with all required mounting hardware included
- Compatible with rear wheel drive and xDrive models
If you are comparing a BMW 328i sports exhaust, BMW 428i muffler upgrade, F30 328i rear section, F32 428i tailpipe upgrade or a stainless steel BMW performance exhaust in the UK, this Dinan unit delivers that tasteful OEM-plus look and a refined tone without the unwanted drone.
Why this system stands out
- Smoother flow path helps reduce back pressure for improved response
- A purposeful, deeper note that remains civilised on long journeys
- Precision TIG-welded T304 materials for durability in UK weather
- Uses factory mounting points for an easy, no-fuss install
We have supplied and installed this exhaust for many BMW owners and feedback has been consistently excellent. Customers love the richer tone, the quality of the construction and the clean twin tailpipe finish that suits the F3x lines.
Compatibility
Designed for the following BMW petrol models:
- 2012 to 2014 3 Series F30 328i saloon and xDrive
- 2014 to 2015 3 Series F31 328i xDrive touring
- 2014 to 2015 4 Series F32 428i coupe and xDrive
- 2014 to 2015 4 Series F33 428i convertible and xDrive
What you receive
- Dinan performance rear exhaust assembly
- All required clamps and hardware for a straightforward fit
Professional installation
Want hassle-free fitting by specialists? Book installation with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.
Order this Dinan stainless performance exhaust today for your BMW F30, F31, F32 or F33 2.0 turbo and enjoy a premium stainless system with dual 70 mm tips, a refined everyday tone and proven performance gains. Popular searches include BMW 328i sports exhaust UK, BMW 428i stainless muffler, F30 328i tailpipe upgrade, F32 428i exhaust UK and BMW F3x exhaust upgrade.
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