Milltek SSXBM961 T304 Stainless Steel Performance Cat-Back (Catback) Exhaust System for BMW 3 Series F30 328i Auto (N20 2.0T) 2012-2020 - Saloon/Sedan - Requires 335i Rear Valance/Diffuser - No Towbar

Milltek SSXBM961 Cat Back System for BMW F30 328i Auto (N20)

Part number: SSXBM961

Give your 3 Series saloon the soundtrack and response it deserves. This UK-made Milltek cat back in premium T304 stainless steel unlocks a richer, sportier tone and a more eager feel from the turbocharged N20 engine, all while keeping cabin refinement intact. It is a direct-fit upgrade that looks factory-fresh, resists corrosion and delivers the quality finish enthusiasts expect.

Why enthusiasts choose this system

• T304 stainless construction for long-term durability and corrosion resistance.
• CNC mandrel-bent pipework promotes smooth gas flow for sharper throttle response.
• Acoustically developed for a deep, refined note without intrusive cabin boom.
• Cat back layout retains factory catalysts and emissions equipment.
• OE-style hangers and flanges for a precise, hassle-free fit.
• Designed, developed and hand finished in the UK.

Fitment and notes

• BMW 3 Series F30 328i petrol, N20B20 engine.
• Automatic transmission vehicles only.
• Model years: 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020.
• Requires a 335i rear valance/diffuser for correct tailpipe positioning.
• Not compatible with towbar-equipped cars.
• Milltek reference: SSXBM961.

Real-world results

We have fitted this Milltek setup on multiple customer cars and the feedback is consistently positive: crisper response, a purposeful soundtrack and excellent fit and finish. It is the ideal upgrade if you want more character from your 2.0 turbo 3 Series without sacrificing everyday comfort.

Professional installation

For fitting, we recommend booking with MJ Modifications in Warwickshire. Request an installation quote: info@mjmodifications.co.uk.

Search-friendly terms

BMW F30 328i performance exhaust, 3 Series 2.0 turbo N20 sports exhaust, stainless T304 cat back for BMW 328i auto, BMW 3 Series saloon exhaust upgrade UK, Milltek SSXBM961 catback, BMW 328i petrol exhaust system, BMW F30 rear section upgrade, free-flow exhaust BMW 328i, 335i diffuser required, direct-fit BMW 328i exhaust UK, 2012 2013 2014 2015 2016 2017 2018 2019 2020 3 Series 2.0T exhaust, non-towbar compatible exhaust, UK-made BMW performance exhaust.