{"product_id":"grail-abgasanlage-passend-f-r-bmw-m4-g82-g83","title":"GRAIL exhaust suitable for BMW M4 G82 \/ G83 (S58) – valved exhaust 3-inch","description":"\u003ch1\u003eGrail 3-inch exhaust system suitable for BMW M4 G82 \/ G83 (S58) – Valve system\u003c\/h1\u003e\n\u003ch2\u003edescription\u003c\/h2\u003e\n\u003cp\u003eThe GRAIL exhaust system with a 3-inch diameter, suitable for the BMW M4 G82 Coupé and M4 G83 Cabrio with SThe 58-series twin-turbo engine combines uncompromising performance. M-Sound with full road approval. Thanks to ECE type approval, the system is registration-free within the EU and ready to drive immediately. Handmade in Germany from L304 stainless steel.\u003c\/p\u003e\n\u003cp\u003eThe S58-series six-cylinder engine of the G-MThe 4 has enormous acoustic potential – but much of it is stifled by the OPF (Otto Particulate Filter) and factory-installed silencer. The GRAIL valve-controlled exhaust system unlocks this potential. M4. This brings out what BMW Motorsport has built into the engine: more voluminous, more aggressive M-Six-cylinder sound with the distinctive GRAIL delta between loud and quiet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLoud but Legal:\u003c\/strong\u003e The GRAIL uses the factory BMW exhaust flap control system of your vehicle. M4 and behaves exactly like BMW M as specified by the factory. At higher engine speeds and under load, the valves open fully – then the system delivers the full GRAIL sound. Since the valves are controlled exclusively via the factory control unit, the system complies with all ECE regulations and is fully street legal.\u003c\/p\u003e\n\u003cp\u003eFLOW DOWN® is an official GRAIL partner in the Ruhr area and specializes in the professional installation of exhaust systems. Installation is carried out directly at our facility in Essen – cleanly, precisely, and including a functional test of the valve control.\u003c\/p\u003e\n\u003ch2\u003eImportant: Select the correct variant in the configurator.\u003c\/h2\u003e\n\u003cp\u003eThe GRAIL facility for the MThe 4 G82 \/ G83 is offered in several versions. Depending on your vehicle, the correct version must be selected in the configurator. If the wrong version is selected, the system will not fit – please check carefully or contact us beforehand.\u003c\/p\u003e\n\u003cp\u003eYou choose from the following factors:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailpipe diameter:\u003c\/strong\u003e 100 mm or 115 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailpipe color:\u003c\/strong\u003e brushed stainless steel or black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnsure which version best suits your vehicle's appearance? Send us your VIN or year of manufacture via our contact form or WhatsApp – we'll advise you before you order.\u003c\/p\u003e\n\u003ch2\u003e100 mm or 115 mm – which tailpipe diameter?\u003c\/h2\u003e\n\u003cp\u003eBoth versions are technically identical in performance, but differ visually:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 mm:\u003c\/strong\u003e Classic, understated rear look – particularly well suited to the clean OEM appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e115 mm:\u003c\/strong\u003e Significantly more present, noticeably thicker in the diffuser – ideal for anyone who wants a striking, aggressive appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHighlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpecifically designed for BMW M4 G82 Coupé and G83 Cabriolet with S58-Biturbo\u003c\/li\u003e\n\u003cli\u003eECE type approval – registration-free within the EU\u003c\/li\u003e\n\u003cli\u003eFlap control via standard BMW control unit\u003c\/li\u003e\n\u003cli\u003eTailpipes 100 mm or 115 mm in stainless steel or black\u003c\/li\u003e\n\u003cli\u003e3 inch L304 stainless steel, handcrafted in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMaterial\u003c\/h2\u003e\n\u003cp\u003eL304 stainless steel, handcrafted in Germany. CNC-machined solid stainless steel flaps switch precisely and ensure the optimal combination of backpressure reduction and sound. Specially developed in the GRAIL sound lab for the SThe 58-engine developed silencers deliver maximum sound when the flaps are open and maximum damping when the flaps are closed.\u003c\/p\u003e\n\u003ch2\u003eAvailable variants\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTailpipe diameter:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e100 mm\u003c\/li\u003e\n\u003cli\u003e115 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTailpipe color:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ebrushed stainless steel\u003c\/li\u003e\n\u003cli\u003eblack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003euse\u003c\/h2\u003e\n\u003cp\u003eThe flap exhaust system replaces the entire exhaust system downstream of the pre-muffler. The flaps are controlled exclusively via the factory BMW flap control system – i.e., via the original system. M-Sport mode of your vehicle. No additional remote control or extra wiring harness required.\u003c\/p\u003e\n\u003cp\u003eProfessional installation by FLOW DOWN® in Essen is recommended. As an official GRAIL partner, we know the systems in detail and ensure clean installation, correct connection to the damper control, and functional testing.\u003c\/p\u003e\n\u003ch2\u003eGRAIL order with installation at FLOW DOWN®\u003c\/h2\u003e\n\u003cp\u003eFor orders including installation, we offer a fair down payment model:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUpon placing the order, you pay 50% of the investment.\u003c\/li\u003e\n\u003cli\u003eWe will pay GRAIL in advance on your behalf and order the system.\u003c\/li\u003e\n\u003cli\u003eYou pay the remaining amount after the system arrives at our workshop.\u003c\/li\u003e\n\u003cli\u003eThen schedule an appointment for the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The deposit option is only available for orders including installation and only works via prepayment\/bank transfer. PayPal or other payment methods are not accepted.\u003c\/p\u003e\n\u003ch2\u003eSwiss suitability assessment\u003c\/h2\u003e\n\u003cp\u003eFor customers in Switzerland: Upon request, you can receive a Swiss conformity certificate for the GRAIL exhaust system for an additional fee. If you are interested, simply contact our support team – we will clarify the details with you directly.\u003c\/p\u003e\n\u003ch2\u003eSuitable vehicles\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBMW M4 G82 Coupé – from 2020\u003c\/li\u003e\n\u003cli\u003eBMW M4 Competition G82\u003c\/li\u003e\n\u003cli\u003eBMW M4 CSL G82\u003c\/li\u003e\n\u003cli\u003eBMW M4 G83 Cabrio – ab Bj. 2021\u003c\/li\u003e\n\u003cli\u003eBMW M4 Competition G83\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: For the BMW M3 G80 Sedan and M3 Touring G81 (same SFor the 58 engine (but different exhaust system geometry), there are separate, model-specific GRAIL systems. Each variant (tailpipe diameter × tailpipe color) is a unique system – please select the correct one in the configurator.\u003c\/p\u003e\n\u003ch2\u003escope of delivery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x GRAIL 3-inch flap exhaust system suitable for BMW M4 G82 \/ G83 (in selected variant)\u003c\/li\u003e\n\u003cli\u003eTailpipes 100 mm or 115 mm in stainless steel or black (depending on the selected variant)\u003c\/li\u003e\n\u003cli\u003emounting material\u003c\/li\u003e\n\u003cli\u003eECE type approval (paper)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInformation on admission\u003c\/h2\u003e\n\u003cp\u003eThe GRAIL exhaust system has ECE type approval and is registration-free for EU vehicles. For imported vehicles with a different operating permit, please check before purchase whether registration in the vehicle documents is required. The included ECE type approval certificate should be carried in the vehicle.\u003c\/p\u003e","brand":"Grail","offers":[{"title":"Cup (G82) \/ 100mm stainless steel","offer_id":51803602518280,"sku":"GR-BMW-G-3.0s","price":3849.0,"currency_code":"EUR","in_stock":true},{"title":"Cup (G82) \/ 100mm Black","offer_id":51803640725768,"sku":null,"price":4049.0,"currency_code":"EUR","in_stock":true},{"title":"Cup (G82) \/ 115mm stainless steel","offer_id":51803640758536,"sku":null,"price":3899.0,"currency_code":"EUR","in_stock":true},{"title":"Cup (G82) \/ 115 mm black","offer_id":51803640791304,"sku":null,"price":4099.0,"currency_code":"EUR","in_stock":true},{"title":"Cabriolet (G83) \/ 100mm stainless steel","offer_id":51803640824072,"sku":null,"price":4049.0,"currency_code":"EUR","in_stock":true},{"title":"Cabriolet (G83) \/ 100mm Black","offer_id":51803640856840,"sku":null,"price":4249.0,"currency_code":"EUR","in_stock":true},{"title":"Cabriolet (G83) \/ 115mm stainless steel","offer_id":51803640889608,"sku":null,"price":4099.0,"currency_code":"EUR","in_stock":true},{"title":"Cabriolet (G83) \/ 115 mm black","offer_id":51803640922376,"sku":null,"price":4299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/4582\/0493\/files\/GRAIL_FLOWDOWN_08ab8602-d5dc-424e-9cab-b59e24ea05e5.jpg?v=1738852790","url":"https:\/\/flow-down.com\/en\/products\/grail-exhaust-system-suitable-for-bmw-m4-g82-g83","provider":"FLOW DOWN®","version":"1.0","type":"link"}