{"product_id":"bmw-g80-m3-g82-m4-rs-valved-exhaust-s58-304-stainless-steel","title":"BMW G80 M3 \/ G82 M4 RS Valved Exhaust (S58) | 304 Stainless Steel","description":"\u003ch1 data-end=\"457\" data-start=\"411\" data-section-id=\"1f55w7u\"\u003eBMW G80 M3 \/ G82 M4 RS Valved Exhaust System\u003c\/h1\u003e\n\u003ch2 data-end=\"504\" data-start=\"459\" data-section-id=\"1e6wka1\"\u003eEngineered for the S58 Twin-Turbo Platform\u003c\/h2\u003e\n\u003cp data-end=\"633\" data-start=\"506\"\u003eUnlock the true sound and performance of your \u003cstrong data-end=\"577\" data-start=\"552\"\u003eBMW G80 M3 and G82 M4\u003c\/strong\u003e with the AeroFlowDynamics \u003cstrong data-end=\"632\" data-start=\"604\"\u003eRS Valved Exhaust System\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"850\" data-start=\"635\"\u003eDesigned specifically for the \u003cstrong data-end=\"705\" data-start=\"665\"\u003eBMW S58 twin-turbo inline-six engine\u003c\/strong\u003e, the RS system transforms the factory exhaust tone into a sharper, more aggressive performance sound while maintaining smooth daily drivability.\u003c\/p\u003e\n\u003cp data-end=\"1096\" data-start=\"852\"\u003eUnlike many aftermarket exhaust systems that introduce harsh frequencies, the AeroFlowDynamics RS system delivers a \u003cstrong data-end=\"1007\" data-start=\"968\"\u003eclean performance tone with no rasp\u003c\/strong\u003e while maintaining the aggressive character expected from a high-performance BMW exhaust.\u003c\/p\u003e\n\u003cp data-end=\"1268\" data-start=\"1098\"\u003eDrivers retain full control of the sound through \u003cstrong data-end=\"1172\" data-start=\"1147\"\u003eOEM valve integration\u003c\/strong\u003e, allowing the system to remain quiet during cruising and aggressive when the valves are opened.\u003c\/p\u003e\n\u003chr data-end=\"1273\" data-start=\"1270\"\u003e\n\u003ch1 data-end=\"1317\" data-start=\"1275\" data-section-id=\"4xuhzo\"\u003ePremium 304 Stainless Steel Construction\u003c\/h1\u003e\n\u003cp data-end=\"1531\" data-start=\"1319\"\u003eThe AeroFlowDynamics RS Exhaust System is constructed from \u003cstrong data-end=\"1414\" data-start=\"1378\"\u003ehigh-quality 304 stainless steel\u003c\/strong\u003e, known for its durability, corrosion resistance, and long-term reliability in high-performance exhaust applications.\u003c\/p\u003e\n\u003cp data-end=\"1715\" data-start=\"1533\"\u003eThis premium material ensures the exhaust system can withstand extreme temperatures and harsh driving conditions while maintaining its structural integrity and performance over time.\u003c\/p\u003e\n\u003chr data-end=\"1720\" data-start=\"1717\"\u003e\n\u003ch1 data-end=\"1759\" data-start=\"1722\" data-section-id=\"1jl02vd\"\u003eRefined Sound Engineering – No Rasp\u003c\/h1\u003e\n\u003cp data-end=\"1916\" data-start=\"1761\"\u003eMany aftermarket exhaust systems for the \u003cstrong data-end=\"1820\" data-start=\"1802\"\u003eBMW S58 engine\u003c\/strong\u003e can produce unwanted rasp or harsh metallic tones, especially under acceleration or higher RPM.\u003c\/p\u003e\n\u003cp data-end=\"2002\" data-start=\"1918\"\u003eThe AeroFlowDynamics \u003cstrong data-end=\"1960\" data-start=\"1939\"\u003eRS Exhaust System\u003c\/strong\u003e was engineered to eliminate those issues.\u003c\/p\u003e\n\u003cp data-end=\"2181\" data-start=\"2004\"\u003eThrough carefully tuned piping design, optimized resonator placement, and acoustic engineering, the RS system delivers a \u003cstrong data-end=\"2180\" data-start=\"2125\"\u003esmooth and aggressive performance tone with no rasp\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"2264\" data-start=\"2183\"\u003eValves Closed\u003cbr data-end=\"2199\" data-start=\"2196\"\u003eRefined performance tone with minimal drone during daily driving.\u003c\/p\u003e\n\u003cp data-end=\"2357\" data-start=\"2266\"\u003eValves Open\u003cbr data-end=\"2280\" data-start=\"2277\"\u003eAggressive turbocharged sound with enhanced turbo spool and crisp downshifts.\u003c\/p\u003e\n\u003cp data-end=\"2474\" data-start=\"2359\"\u003eTrack Section Pipes\u003cbr data-end=\"2381\" data-start=\"2378\"\u003eMaximum volume and race-inspired sound while maintaining a \u003cstrong data-end=\"2473\" data-start=\"2440\"\u003eclean tone without harsh rasp\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-end=\"2479\" data-start=\"2476\"\u003e\n\u003ch1 data-end=\"2504\" data-start=\"2481\" data-section-id=\"xttwhy\"\u003eConfiguration Options\u003c\/h1\u003e\n\u003cp data-end=\"2544\" data-start=\"2506\"\u003eChoose the setup that fits your build.\u003c\/p\u003e\n\u003ch3 data-end=\"2574\" data-start=\"2546\" data-section-id=\"18oi814\"\u003eRS Valved Exhaust System\u003c\/h3\u003e\n\u003cp data-end=\"2686\" data-start=\"2576\"\u003ePerformance exhaust upgrade that enhances the sound of the S58 engine while retaining OEM valve functionality.\u003c\/p\u003e\n\u003ch3 data-end=\"2724\" data-start=\"2688\" data-section-id=\"ucjxpv\"\u003eRS Exhaust + Track Section Pipes\u003c\/h3\u003e\n\u003cp data-end=\"2836\" data-start=\"2726\"\u003eReplaces the secondary resonators with straight performance pipes for \u003cstrong data-end=\"2835\" data-start=\"2796\"\u003emaximum volume and aggressive sound\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-end=\"2883\" data-start=\"2838\" data-section-id=\"17aghaa\"\u003eRS Exhaust + 200 Cell High-Flow Downpipes\u003c\/h3\u003e\n\u003cp data-end=\"2973\" data-start=\"2885\"\u003eHigh-flow catalytic converters designed to improve exhaust flow and enhance turbo spool.\u003c\/p\u003e\n\u003ch3 data-end=\"3005\" data-start=\"2975\" data-section-id=\"1dopa15\"\u003eFull RS Performance System\u003c\/h3\u003e\n\u003cp data-end=\"3107\" data-start=\"3007\"\u003eRS Valved Exhaust + Track Section Pipes + 200 Cell Downpipes for the \u003cstrong data-end=\"3106\" data-start=\"3076\"\u003eultimate S58 exhaust setup\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"3107\" data-start=\"3007\"\u003e\u003cstrong\u003eHEAT SHIELD NOT AVAILABLE ON EXHAUST\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-end=\"3112\" data-start=\"3109\"\u003e\n\u003ch1 data-end=\"3128\" data-start=\"3114\" data-section-id=\"u0ybrq\"\u003eKey Features\u003c\/h1\u003e\n\u003cp data-end=\"3174\" data-start=\"3130\"\u003e🔥 \u003cstrong data-end=\"3174\" data-start=\"3133\"\u003eSmooth Performance Sound with No Rasp\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3266\" data-start=\"3176\"\u003eEngineered to deliver a clean, aggressive exhaust tone without harsh metallic frequencies.\u003c\/p\u003e\n\u003cp data-end=\"3295\" data-start=\"3268\"\u003e⚙ \u003cstrong data-end=\"3295\" data-start=\"3270\"\u003eOEM Valve Integration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3416\" data-start=\"3297\"\u003eRetains factory valve functionality allowing drivers to switch between quiet cruising and aggressive performance sound.\u003c\/p\u003e\n\u003cp data-end=\"3450\" data-start=\"3418\"\u003e🏎 \u003cstrong data-end=\"3450\" data-start=\"3421\"\u003eTrack Section Pipe Option\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3528\" data-start=\"3452\"\u003eStraight performance pipes increase exhaust flow and deliver maximum volume.\u003c\/p\u003e\n\u003cp data-end=\"3565\" data-start=\"3530\"\u003e💨 \u003cstrong data-end=\"3565\" data-start=\"3533\"\u003e200 Cell High-Flow Downpipes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3644\" data-start=\"3567\"\u003eImproves turbo spool and exhaust flow while maintaining catalytic converters.\u003c\/p\u003e\n\u003cp data-end=\"3680\" data-start=\"3646\"\u003e🔧 \u003cstrong data-end=\"3680\" data-start=\"3649\"\u003eDirect Bolt-On Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3765\" data-start=\"3682\"\u003eDesigned specifically for the \u003cstrong data-end=\"3741\" data-start=\"3712\"\u003eBMW G80 M3 and BMW G82 M4\u003c\/strong\u003e with OEM-level fitment.\u003c\/p\u003e\n\u003chr data-end=\"3770\" data-start=\"3767\"\u003e\n\u003ch1 data-end=\"3795\" data-start=\"3772\" data-section-id=\"sf8h7v\"\u003eSound Characteristics\u003c\/h1\u003e\n\u003cp data-end=\"4004\" data-start=\"3797\"\u003e• Smooth performance tone\u003cbr data-end=\"3825\" data-start=\"3822\"\u003e• \u003cstrong data-end=\"3859\" data-start=\"3827\"\u003eNo rasp or harsh frequencies\u003c\/strong\u003e\u003cbr data-end=\"3862\" data-start=\"3859\"\u003e• Enhanced turbo spool sound\u003cbr data-end=\"3893\" data-start=\"3890\"\u003e• Aggressive downshifts\u003cbr data-end=\"3919\" data-start=\"3916\"\u003e• Deep performance tone under throttle\u003cbr data-end=\"3960\" data-start=\"3957\"\u003e• Quiet and refined when valves are closed\u003c\/p\u003e\n\u003cp data-end=\"4182\" data-start=\"4006\"\u003eThe RS system delivers one of the \u003cstrong data-end=\"4083\" data-start=\"4040\"\u003ebest G80 M3 exhaust sounds with no rasp\u003c\/strong\u003e, making it ideal for drivers who want aggressive performance without unpleasant sound frequencies.\u003c\/p\u003e\n\u003chr data-end=\"4187\" data-start=\"4184\"\u003e\n\u003ch1 data-end=\"4203\" data-start=\"4189\" data-section-id=\"t8ds5m\"\u003e🚨 Lead Time\u003c\/h1\u003e\n\u003cp data-end=\"4304\" data-start=\"4205\"\u003eThis exhaust system is \u003cstrong data-end=\"4246\" data-start=\"4228\"\u003ebuilt to order\u003c\/strong\u003e to ensure the highest level of craftsmanship and quality.\u003c\/p\u003e\n\u003cp data-end=\"4351\" data-start=\"4306\"\u003e\u003cstrong data-end=\"4351\" data-start=\"4306\"\u003eEstimated production lead time: 2–3 weeks\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-end=\"4356\" data-start=\"4353\"\u003e\n\u003ch1 data-end=\"4367\" data-start=\"4358\" data-section-id=\"2cn7zj\"\u003eFitment\u003c\/h1\u003e\n\u003cp data-end=\"4393\" data-start=\"4369\"\u003e\u003cstrong data-end=\"4393\" data-start=\"4369\"\u003e2021–2026 BMW G80 M3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"4419\" data-start=\"4395\"\u003e\u003cstrong data-end=\"4419\" data-start=\"4395\"\u003e2021–2026 BMW G82 M4\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"4469\" data-start=\"4421\"\u003eCompatible with factory or aftermarket midpipes.\u003c\/p\u003e\n\u003chr data-end=\"4474\" data-start=\"4471\"\u003e\n\u003ch1 data-end=\"4517\" data-start=\"4476\" data-section-id=\"103z2uw\"\u003eTransform the Sound of Your BMW M3 \/ M4\u003c\/h1\u003e\n\u003cp data-end=\"4710\" data-start=\"4519\"\u003eWhether you're looking for a refined daily performance exhaust or a full aggressive track setup, the \u003cstrong data-end=\"4658\" data-start=\"4620\"\u003eAeroFlowDynamics RS Exhaust System\u003c\/strong\u003e offers multiple configurations to match your build.\u003c\/p\u003e\n\u003cp data-end=\"4821\" data-start=\"4712\"\u003eUpgrade your \u003cstrong data-end=\"4749\" data-start=\"4725\"\u003eBMW G80 M3 or G82 M4\u003c\/strong\u003e with a system engineered for performance, sound quality, and precision.\u003c\/p\u003e","brand":"AeroflowDynamics","offers":[{"title":"No Downpipes \/ Black","offer_id":51784122237144,"sku":"sku-51533729399000","price":2624.99,"currency_code":"USD","in_stock":true},{"title":"No Downpipes \/ Burnt","offer_id":51784122269912,"sku":"sku-51678024990936","price":2624.99,"currency_code":"USD","in_stock":true},{"title":"No Downpipes \/ Silver","offer_id":51784122302680,"sku":"sku-51678025023704","price":2624.99,"currency_code":"USD","in_stock":true},{"title":"No Downpipes \/ M Performance Carbon","offer_id":51784122335448,"sku":"sku-51678025056472","price":2834.99,"currency_code":"USD","in_stock":true},{"title":"Track Section ( off road use only ) \/ Black","offer_id":51784122368216,"sku":"sku-51533729431768","price":2834.99,"currency_code":"USD","in_stock":true},{"title":"Track Section ( off road use only ) \/ Burnt","offer_id":51784122400984,"sku":"sku-51678025089240","price":2834.99,"currency_code":"USD","in_stock":true},{"title":"Track Section ( off road use only ) \/ Silver","offer_id":51784122433752,"sku":"sku-51678025122008","price":2834.99,"currency_code":"USD","in_stock":true},{"title":"Track Section ( off road use only ) \/ M Performance Carbon","offer_id":51784122466520,"sku":"sku-51678025154776","price":3044.99,"currency_code":"USD","in_stock":true},{"title":"200 Cell Downpipe \/ Black","offer_id":51784122499288,"sku":"sku-51533729464536","price":3149.99,"currency_code":"USD","in_stock":true},{"title":"200 Cell Downpipe \/ Burnt","offer_id":51784122532056,"sku":"sku-51678025187544","price":2624.99,"currency_code":"USD","in_stock":true},{"title":"200 Cell Downpipe \/ Silver","offer_id":51784122564824,"sku":"sku-51678025220312","price":2624.99,"currency_code":"USD","in_stock":true},{"title":"200 Cell Downpipe \/ M Performance Carbon","offer_id":51784122597592,"sku":"sku-51678025253080","price":3464.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/6947\/0936\/files\/IMG-5869.png?v=1780591632","url":"https:\/\/www.bmmautosports.com\/products\/bmw-g80-m3-g82-m4-rs-valved-exhaust-s58-304-stainless-steel","provider":"BMM Autosports","version":"1.0","type":"link"}