{"product_id":"dinan-free-flow-stainless-exhaust-with-black-tips-for-bmw-f30-340i-f32-440i","title":"Dinan Performance Cat-Back Exhaust for BMW 340i F30 \u0026 440i F32 (B58) - T304 Stainless, Twin 89mm Black Tips - Drone-Free Helmholtz - 340i\/440i Sports Exhaust, Cat Back Rear Section, Back Box\/Muffler Upgrade, Bolt-On OEM+ Sound","description":"\u003ch2\u003eDinan Sports Catback System for BMW F30 340i and F32 440i with B58\u003c\/h2\u003e\n\n\u003cp\u003eGive your B58-powered 3 Series or 4 Series the voice it deserves. This Dinan rear section system delivers a richer, deeper tone on throttle and a refined, drone-free cruise, thanks to carefully tuned Helmholtz resonator chambers. Crafted from 16 gauge T304 stainless for durability in all conditions, it is a premium upgrade that balances daily comfort with a properly sporty soundtrack.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTailored for the BMW F30 340i saloon and BMW F32 440i coupe with the B58 engine\u003c\/li\u003e\n  \u003cli\u003eFlow-optimised tubing reduces restriction for sharper response\u003c\/li\u003e\n  \u003cli\u003eAnti-drone Helmholtz chambers target low rpm frequencies for a calm cabin\u003c\/li\u003e\n  \u003cli\u003e100 percent 304 stainless construction for long-term corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on using factory hanger points for a clean, straightforward fit\u003c\/li\u003e\n  \u003cli\u003eTwin 89 mm ceramic-coated black tailpipes for a stealth, OEM plus finish\u003c\/li\u003e\n  \u003cli\u003eConfident, sporty character under load with civilised motorway manners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWe run this system ourselves and our customers genuinely rate it. Expect a deeper note, crisp upshifts and tasteful burbles on lift-off without the annoying cabin boom that spoils many aftermarket options. Fitment is spot on, the quality is excellent and the look is understated yet purposeful.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBMW F30 340i\u003c\/li\u003e\n  \u003cli\u003eBMW F32 440i\u003c\/li\u003e\n  \u003cli\u003eEngine: B58\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy this upgrade\u003c\/h3\u003e\n\u003cp\u003eIf you are searching for a BMW 340i sports exhaust, a 440i catback, a B58 sound upgrade or an F30 F32 rear exhaust with black tips, this Dinan system ticks the boxes. It brings a richer soundtrack, premium materials and daily-driver refinement, all in a package that looks factory fresh.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eDesigned to mount to the original hanger locations for a tidy, hassle-free install. Prefer professional fitting? Book with MJ Modifications in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePopular searches:\u003c\/strong\u003e BMW 340i sports exhaust UK, BMW 440i catback system, B58 exhaust upgrade, F30 340i back box, F32 440i muffler upgrade, drone free exhaust for BMW, Helmholtz resonator exhaust, T304 stainless exhaust, twin 89mm black tips, BMW 3 Series 340i exhaust sound, BMW 4 Series 440i exhaust sound, OEM plus exhaust, performance rear section for B58.\u003c\/p\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55975109689730,"sku":"p6bg4p5szu","price":1567.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/D660-0055-BLK__67974.1535040965.jpg?v=1763320540","url":"https:\/\/mjmodifications.co.uk\/products\/dinan-free-flow-stainless-exhaust-with-black-tips-for-bmw-f30-340i-f32-440i","provider":"MJ Modifications","version":"1.0","type":"link"}