Performance M
Dinan Free Flow Axle-Back/Sports Exhaust for BMW F10 5 Series 550i & 550i xDrive (2011-2015) - Valved Rear Muffler/Backbox/Silencer, Stainless Steel, Black 3.5in Tips, No Drone, N63 V8 Saloon/Sedan
Dinan Free Flow Axle-Back/Sports Exhaust for BMW F10 5 Series 550i & 550i xDrive (2011-2015) - Valved Rear Muffler/Backbox/Silencer, Stainless Steel, Black 3.5in Tips, No Drone, N63 V8 Saloon/Sedan
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 rear section for BMW F10 5 Series 550i and 550i xDrive 2011 to 2015 with valve control and black tailpipe finishers
Give your twin turbo V8 saloon the sound and response it deserves with this Dinan axle-back upgrade. Designed specifically for the F10 platform, it frees up flow, sharpens throttle feel and delivers a deeper, richer soundtrack without the cabin boom that spoils long journeys. It looks factory-plus and fits like it was meant to be there.
- Valve-controlled rear mufflers for civil cruising and a more open, engaging tone on throttle
- Engineered to cut backpressure and smooth exhaust gas flow for improved drivability
- No intrusive cabin resonance at motorway speeds for daily comfort
- Constructed entirely from stainless steel for long-term durability
- Uses factory mounting points for a straightforward, bolt-on installation
- Noticeable weight reduction versus the OE backbox
- Twin 3.5 inch black outlets for a discreet OEM-plus appearance
Sound you can live with, performance you can feel
Cold starts carry a purposeful growl, cruising remains refined, and when you press on the system opens up with a pleasantly assertive note that suits the F10 550i perfectly. Our customers love the transformation and we do too – we have installed this setup on multiple cars and the feedback on tone, fit and finish has been consistently excellent.
Built to last, designed to fit
Dinan’s rear section is crafted for the F10 chassis and pairs to the original hangers and connections for a clean, precise fit. Quality stainless construction resists corrosion and keeps the system sounding great year after year, while the black tailpipe finishers complete the subtle OEM-plus look.
Vehicle compatibility
- BMW 5 Series F10 550i Saloon 2011, 2012, 2013, 2014, 2015
- BMW 5 Series F10 550i xDrive Saloon 2011, 2012, 2013, 2014, 2015
Installation
Professional fitting available at MJ Modifications in Warwickshire. For a fitting quote or to book your installation, email info@mjmodifications.co.uk.
Why buy from us
We specialise in premium upgrades for BMW enthusiasts and have hands-on experience with this Dinan system on the F10 550i and 550i xDrive. Expect proper advice, trusted parts and a result that enhances your car without compromise.
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