Performance M
Dinan Free Flow Performance Stainless Steel Exhaust with Twin 3in Polished Tips for BMW 330i & 430i (F30 F31 F32 F33 F36)
Dinan Free Flow Performance Stainless Steel Exhaust with Twin 3in Polished Tips for BMW 330i & 430i (F30 F31 F32 F33 F36)
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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Performance exhaust upgrade for BMW 3 Series 330i and 4 Series 430i F3x
Give your 2.0 turbo BMW the soundtrack and response it deserves with this high-grade Dinan rear section. The free‑flowing design reduces restriction for genuine gains and a richer, deeper tone that stays civil on the motorway and comes alive when you put your foot down. Expect a noticeable improvement in character without intrusive low‑rpm boom.
We have installed this system for customers and on our own demonstrators. Feedback has been consistently superb on sound quality, fitment and finish. If you want a premium exhaust note and OEM+ refinement, this is the one.
Highlights
- Real-world performance increase: up to 4 bhp and 3 lb‑ft
- Lower back pressure for improved flow and sharper throttle response
- Refined, sporty note with minimal cabin drone
- Constructed from 16‑gauge 304 grade stainless for long-term corrosion resistance
- Dual 76 mm outlets with laser-etched branding in a highly polished finish
- Simple bolt-on fit with supplied mounting hardware
- Engineered specifically for F3x 330i and 430i platforms for perfect alignment
Vehicle compatibility
Designed for the following BMW models with the 2.0 petrol turbo engine:
- F30 3 Series 330i Saloon (2017)
- F31 3 Series 330i Touring (2017)
- F32 4 Series 430i Coupe (2017)
- F33 4 Series 430i Convertible (2017)
- F36 4 Series 430i Gran Coupe
Sound and finish
The tuned rear box produces a deeper idle, a fuller mid‑range and a crisp top‑end without harshness. The twin 3 inch polished tailpipes fill the valance beautifully and the laser detail adds a subtle premium touch.
Why buy from us
MJ Modifications supplies genuine Dinan hardware trusted by enthusiasts. We have fitted this system many times and customers love the premium tone, the quality materials and the factory‑level fit.
Fitting and installation
Direct bolt-on. All required hardware is included. Prefer a professional install. Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.
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