{"product_id":"valvetronic-designs-equal-length-valved-exhaust-system-bmw-f8x-m3-m4","title":"Valvetronic Designs Equal Length Valved Exhaust System – BMW F8X M3 \/ M4","description":"\u003cp data-start=\"79\" data-end=\"137\"\u003eTransform the S55 Sound with True Equal-Length Performance\u003c\/p\u003e\n\u003cp data-start=\"139\" data-end=\"524\"\u003eUnlock the sound the S55 platform was always meant to have with the Valvetronic Designs Equal Length Valved Cat-Back Exhaust System for the BMW F80 M3, F82 M4, and F83 M4. Designed specifically to eliminate the harsh factory rasp and improve tonal depth, this system delivers a smoother, richer, and more exotic exhaust note while retaining the aggressive character enthusiasts expect.\u003c\/p\u003e\n\u003cp data-start=\"526\" data-end=\"916\"\u003eFeaturing a 2.75” equal-length mid-section with integrated H-pipe and a 3.5” valved axle-back system, this exhaust provides the perfect balance between refined daily driving and motorsport aggression. With valves open, exhaust gases flow unrestricted for maximum volume and performance. With valves closed, gases are routed through a quad-chamber muffler for a quieter, OEM-like experience.\u003c\/p\u003e\n\u003cp data-start=\"918\" data-end=\"990\"\u003eAvailable in T304 stainless steel or ultra-lightweight Grade 5 titanium.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"992\" data-end=\"1008\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003eDesigned for BMW F80 M3, F82 M4 \u0026amp; F83 M4 (S55 Engine)\u003cbr data-start=\"1063\" data-end=\"1066\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003e2.75” equal-length mid-pipe design for smoother exhaust tone\u003cbr data-start=\"1126\" data-end=\"1129\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003eIntegrated H-pipe improves scavenging and sound balance\u003cbr data-start=\"1184\" data-end=\"1187\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003e3.5” valved axle-back exhaust system\u003cbr data-start=\"1223\" data-end=\"1226\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003eElectronic valve control system included\u003cbr data-start=\"1266\" data-end=\"1269\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003eOEM valve integration optional\u003cbr data-start=\"1299\" data-end=\"1302\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003eQuad-chamber muffler design for refined closed-valve tone\u003cbr data-start=\"1359\" data-end=\"1362\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003eDirect bolt-on installation with OEM mounting points\u003cbr data-start=\"1414\" data-end=\"1417\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003eAvailable in T304 stainless steel or Grade 5 titanium\u003cbr data-start=\"1470\" data-end=\"1473\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003eMandrel-bent tubing with precision TIG welds\u003cbr data-start=\"1517\" data-end=\"1520\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1575\"\u003eMultiple premium exhaust tip finish options available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"bgde17\" data-start=\"1577\" data-end=\"1602\"\u003eSound Characteristics\u003c\/h3\u003e\n\u003cp data-start=\"1604\" data-end=\"1660\"\u003eEngineered specifically to improve the S55 exhaust note.\u003c\/p\u003e\n\u003cp data-start=\"1662\" data-end=\"1767\"\u003eValves Open:\u003cbr data-start=\"1674\" data-end=\"1677\"\u003eAggressive, free-flowing motorsport tone with reduced rasp and improved high-RPM clarity\u003c\/p\u003e\n\u003cp data-start=\"1769\" data-end=\"1845\"\u003eValves Closed:\u003cbr data-start=\"1783\" data-end=\"1786\"\u003eComfortable, refined sound levels ideal for daily driving\u003c\/p\u003e\n\u003cp data-start=\"1847\" data-end=\"1959\"\u003eEqual-Length Design Benefits:\u003cbr data-start=\"1876\" data-end=\"1879\"\u003eBalances exhaust pulses to create a cleaner, smoother, and deeper exhaust tone\u003c\/p\u003e\n\u003ch3 data-section-id=\"oxb6nu\" data-start=\"1961\" data-end=\"1985\"\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1987\" data-end=\"2165\"\u003eImproved exhaust flow and reduced restriction\u003cbr data-start=\"2032\" data-end=\"2035\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1987\" data-end=\"2165\"\u003eEnhanced throttle response and turbo efficiency\u003cbr data-start=\"2082\" data-end=\"2085\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1987\" data-end=\"2165\"\u003eImproved scavenging through H-pipe integration\u003cbr data-start=\"2131\" data-end=\"2134\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1987\" data-end=\"2165\"\u003eReduced overall system weight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"9t3i7l\" data-start=\"2167\" data-end=\"2185\"\u003eWeight Savings\u003c\/h3\u003e\n\u003cp data-start=\"2187\" data-end=\"2254\"\u003eStainless Steel System:\u003cbr data-start=\"2210\" data-end=\"2213\"\u003eApproximately 21.7 lbs lighter than OEM\u003c\/p\u003e\n\u003cp data-start=\"2256\" data-end=\"2316\"\u003eTitanium System:\u003cbr data-start=\"2272\" data-end=\"2275\"\u003eApproximately 49.2 lbs lighter than OEM\u003c\/p\u003e\n\u003ch3 data-section-id=\"1jumcgb\" data-start=\"2318\" data-end=\"2342\"\u003eConstruction Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2344\" data-end=\"2415\"\u003eT304 Stainless Steel\n\u003cul\u003e\n\u003cli data-start=\"2344\" data-end=\"2415\"\u003eDurable, corrosion-resistant with refined tone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2344\" data-end=\"2415\"\u003eGrade 5 Titanium\n\u003cul\u003e\n\u003cli data-start=\"2344\" data-end=\"2415\"\u003eUltra-lightweight with sharper, exotic exhaust note\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"12lvr0a\" data-start=\"2491\" data-end=\"2507\"\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2509\" data-end=\"2538\"\u003eDirect bolt-on installation\u003c\/li\u003e\n\u003cli data-start=\"2509\" data-end=\"2538\"\u003eNo cutting or welding required\u003c\/li\u003e\n\u003cli data-start=\"2509\" data-end=\"2538\"\u003eFully reversible to stock\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2603\" data-end=\"2642\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eProfessional installation recommended\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2644\" data-end=\"2715\"\u003eInstallation available at Sequential Racing – Altona North, Melbourne\u003c\/p\u003e\n\u003ch3 data-section-id=\"6xec53\" data-start=\"2717\" data-end=\"2736\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2738\" data-end=\"2830\"\u003eBMW F80 M3 – 2015–2018\u003cbr data-start=\"2760\" data-end=\"2763\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2738\" data-end=\"2830\"\u003eBMW F82 M4 Coupe – 2015–2020\u003cbr data-start=\"2791\" data-end=\"2794\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2738\" data-end=\"2830\"\u003eBMW F83 M4 Convertible – 2015–2020\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2832\" data-end=\"2865\"\u003eEngine: S55 Twin Turbo Inline-6\u003c\/p\u003e\n\u003ch3 data-section-id=\"1x5ej4z\" data-start=\"2867\" data-end=\"2886\"\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2888\" data-end=\"3065\"\u003eFor vehicles running catless or race downpipes, low RPM rasp may still occur during shifts\u003cbr data-start=\"2978\" data-end=\"2981\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2888\" data-end=\"3065\"\u003eFor the most refined tone, high-flow 200-cell catalytic converters are recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"14lzghq\" data-start=\"3067\" data-end=\"3086\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"3088\" data-end=\"3250\"\u003e2.75” Equal-Length H-Pipe Mid-Section\u003cbr data-start=\"3125\" data-end=\"3128\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3088\" data-end=\"3250\"\u003e3.5” Axle-Back Exhaust with Quad-Chamber Muffler\u003cbr data-start=\"3176\" data-end=\"3179\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3088\" data-end=\"3250\"\u003eElectronic Valve System \u0026amp; Controller\u003cbr data-start=\"3215\" data-end=\"3218\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3088\" data-end=\"3250\"\u003eAll Required Hardware \u0026amp; Clamps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"5vcpi3\" data-start=\"3252\" data-end=\"3285\"\u003eWhy Choose Sequential Racing?\u003c\/h3\u003e\n\u003cp data-start=\"3287\" data-end=\"3459\"\u003eSequential Racing supplies premium performance exhaust systems for BMW M and GR platforms, offering proven upgrades with exceptional sound, fitment, and driving experience.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"3461\" data-end=\"3583\"\u003eTrue equal-length S55 exhaust tone\u003cbr data-start=\"3495\" data-end=\"3498\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3461\" data-end=\"3583\"\u003ePremium valved exhaust technology\u003cbr data-start=\"3531\" data-end=\"3534\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3461\" data-end=\"3583\"\u003eAvailable in stainless or titanium construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3585\" data-end=\"3761\"\u003eTransform your BMW F8X M3 or M4 with the Valvetronic Designs Equal Length Exhaust System and experience the S55 platform with a deeper, smoother, and more refined exhaust note.\u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"Stainless Steel \/ (4) Brushed Steel (3.5\" 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Outlet)","offer_id":53417040806202,"sku":null,"price":8050.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/0570\/7066\/files\/SEQR_VALVETRONIC_M34F8xelA7402668_jpg.webp?v=1778127064","url":"https:\/\/sequentialracing.com.au\/ja\/products\/valvetronic-designs-equal-length-valved-exhaust-system-bmw-f8x-m3-m4","provider":"Sequential Racing","version":"1.0","type":"link"}