{"product_id":"dinan-d660-0085-blk-free-flow-axle-back-exhaust-bmw-m340i-m440i","title":"Dinan D660-0085-BLK Free Flow Axle-Back Exhaust — BMW G20 M340i \u0026 G22\/G23\/G26 M440i","description":"\u003cp\u003e\u003cstrong\u003eDinan’s valved T304 stainless-steel axle-back exhaust for supported BMW M340i and M440i models, finished with four ceramic-black 102 mm tips.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eConfirmed chassis coverage\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBMW G20 M340i\u003c\/li\u003e\n\u003cli\u003eBMW G22 M440i Coupe\u003c\/li\u003e\n\u003cli\u003eBMW G23 M440i Convertible\u003c\/li\u003e\n\u003cli\u003eBMW G26 M440i Gran Coupe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm model year, chassis, drivetrain, production date, rear valance, and factory exhaust configuration against Dinan’s current application data before ordering.\u003c\/p\u003e\n\u003ch2\u003ePerformance and sound\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLarger 76 mm tubing compared with the original 70 mm system\u003c\/li\u003e\n\u003cli\u003eDinan reports gains of up to 6 horsepower and 5 pound-feet of torque on its test vehicle\u003c\/li\u003e\n\u003cli\u003eApproximately four pounds lighter than the original system\u003c\/li\u003e\n\u003cli\u003eTwin 76 mm exhaust valves retain computer-controlled quiet and high-load sound behavior\u003c\/li\u003e\n\u003cli\u003eFour straight-cut, double-wall, ceramic-black tips with laser-engraved Dinan branding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eConstruction\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTIG-welded brushed T304 stainless steel\u003c\/li\u003e\n\u003cli\u003eApplication-specific hangers, clamps, valves, and mounting hardware\u003c\/li\u003e\n\u003cli\u003eBolt-on axle-back layout designed around the factory rear valance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is recommended. The original valve actuator is reused and the supplied second valve and actuator are installed on the opposing side. Verify valve operation, clearances, alignment, clamp torque, and tip position after the first complete heat cycle.\u003c\/p\u003e\n\u003ch2\u003eEmissions and warranty\u003c\/h2\u003e\n\u003cp\u003eDinan assigns this product Emission Code 5, meaning it does not affect vehicle emissions and is not covered by emissions regulations. Warranty eligibility, exclusions, and claim handling are governed by Dinan’s current written warranty terms.\u003c\/p\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45358214217910,"sku":"D660-0085-BLK","price":2399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1553\/5229\/files\/d660-0085-blk-1.jpg?v=1786811791","url":"https:\/\/eurocustomspr.com\/products\/dinan-d660-0085-blk-free-flow-axle-back-exhaust-bmw-m340i-m440i","provider":"EuroCustomsPR","version":"1.0","type":"link"}