{"product_id":"bmw-m850i-performance-valved-exhaust-system-yonristic-performance","title":"BMW M850i Performance Valved Exhaust System - Yonristic Performance","description":"\u003cp data-end=\"125\" data-start=\"63\"\u003e\u003cstrong data-end=\"125\" data-start=\"63\"\u003eBMW M850i xDrive (G14 \/ G15 \/ G16) – Dual 3” X-Pipe Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"639\" data-start=\"127\"\u003eThe BMW M850i’s 4.4L twin-turbo V8 is a powerhouse of refinement and torque, but the factory exhaust system leaves much of its character restrained. Designed with heavy internal baffling and restrictive flow paths, the stock system mutes the raw emotion of the N63 engine, keeping the soundtrack subdued even in Sport+ mode. The Yonristic Performance Valved Cat-Back system transforms the M850i’s presence — both audibly and visually — unlocking a sound profile that finally matches its performance and luxury.\u003c\/p\u003e\n\u003cp data-end=\"1188\" data-start=\"641\"\u003eAt the heart of our design is a \u003cstrong data-end=\"707\" data-start=\"673\"\u003etrue dual 3-inch X-pipe layout\u003c\/strong\u003e, engineered to balance exhaust pulses between banks for cleaner scavenging and a smoother, more exotic tone. This equalized flow reduces harshness and amplifies the deep growl of the V8 while maintaining perfect harmony across the rev range. The \u003cstrong data-end=\"989\" data-start=\"954\"\u003eintegrated valve control system\u003c\/strong\u003e retains full compatibility with the factory electronics, seamlessly switching between comfort and sport modes, while also offering our \u003cstrong data-end=\"1161\" data-start=\"1125\"\u003estandalone remote-control module\u003c\/strong\u003e for on-demand operation.\u003c\/p\u003e\n\u003cp data-end=\"1494\" data-start=\"1190\"\u003eCustomers can choose between two visual configurations:\u003cbr data-end=\"1248\" data-start=\"1245\"\u003e– \u003cstrong data-end=\"1273\" data-start=\"1250\"\u003eFactory Tip Fitment\u003c\/strong\u003e, which retains the OEM diffuser and stealth appearance.\u003cbr data-end=\"1332\" data-start=\"1329\"\u003e– \u003cstrong data-end=\"1354\" data-start=\"1334\"\u003eQuad Tip Upgrade\u003c\/strong\u003e, available in chrome, burnt, black, or carbon fiber finishes, which requires a compatible diffuser and adds a commanding visual presence.\u003c\/p\u003e\n\u003cp data-end=\"1930\" data-start=\"1496\"\u003eConstructed entirely from AISI304 stainless steel or Ti-6Al-4V Aerospace-Grade Titanium, each system is precision TIG-welded and mandrel-bent for unrestricted flow. The internal X-pipe geometry and resonator length are tuned to eliminate drone while producing a rich, muscular tone — aggressive under throttle, yet refined at cruise. The result is an exhaust system that enhances performance, saves weight, and brings out the full emotional depth of BMW’s grand tourer.\u003c\/p\u003e\n\u003cp data-end=\"1930\" data-start=\"1496\"\u003e \u003c\/p\u003e\n\u003ch2 data-end=\"344\" data-start=\"319\"\u003e\u003cstrong data-end=\"344\" data-start=\"322\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 data-end=\"364\" data-start=\"346\"\u003e\u003cstrong data-end=\"362\" data-start=\"350\"\u003eFitment:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"387\" data-start=\"365\"\u003eBMW \u003cstrong data-end=\"385\" data-start=\"369\"\u003eM850i xDrive\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"566\" data-start=\"388\"\u003e\n\u003cli data-end=\"423\" data-start=\"388\"\u003e\n\u003cp data-end=\"423\" data-start=\"390\"\u003e\u003cstrong data-end=\"421\" data-start=\"390\"\u003eG14 Convertible (2019+)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"453\" data-start=\"424\"\u003e\n\u003cp data-end=\"453\" data-start=\"426\"\u003e\u003cstrong data-end=\"451\" data-start=\"426\"\u003eG15 Coupe (2019+)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"566\" data-start=\"454\"\u003e\n\u003cp data-end=\"566\" data-start=\"456\"\u003e\u003cstrong data-end=\"486\" data-start=\"456\"\u003eG16 Gran Coupe (2020+)\u003c\/strong\u003e\u003cbr data-end=\"489\" data-start=\"486\"\u003e\u003cem data-end=\"566\" data-start=\"489\"\u003eCompatible with both OEM exhaust valves and Yonristic remote valve control.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"571\" data-start=\"568\"\u003e\n\u003ch3 data-end=\"597\" data-start=\"573\"\u003e\u003cstrong data-end=\"595\" data-start=\"577\"\u003eConfiguration:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"840\" data-start=\"598\"\u003e\n\u003cli data-end=\"648\" data-start=\"598\"\u003e\n\u003cp data-end=\"648\" data-start=\"600\"\u003e\u003cstrong data-end=\"646\" data-start=\"600\"\u003eDual 3.0-inch mandrel-bent cat-back system\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"721\" data-start=\"649\"\u003e\n\u003cp data-end=\"721\" data-start=\"651\"\u003eCentral \u003cstrong data-end=\"669\" data-start=\"659\"\u003eX-Pipe\u003c\/strong\u003e for balanced exhaust pulses \u0026amp; smoother scavenging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"784\" data-start=\"722\"\u003e\n\u003cp data-end=\"784\" data-start=\"724\"\u003eValved rear section with straight-through free-flow design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"840\" data-start=\"785\"\u003e\n\u003cp data-end=\"840\" data-start=\"787\"\u003eOptional quad-tip conversion (requires quad diffuser)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"845\" data-start=\"842\"\u003e\n\u003ch3 data-end=\"867\" data-start=\"847\"\u003e\u003cstrong data-end=\"865\" data-start=\"851\"\u003eMaterials:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"909\" data-start=\"868\"\u003eTwo premium material options available:\u003c\/p\u003e\n\u003cul data-end=\"1117\" data-start=\"910\"\u003e\n\u003cli data-end=\"1002\" data-start=\"910\"\u003e\n\u003cp data-end=\"1002\" data-start=\"912\"\u003e\u003cstrong data-end=\"940\" data-start=\"912\"\u003eAISI 304 Stainless Steel\u003c\/strong\u003e – high durability, corrosion-resistant, ideal for daily use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1117\" data-start=\"1003\"\u003e\n\u003cp data-end=\"1117\" data-start=\"1005\"\u003e\u003cstrong data-end=\"1043\" data-start=\"1005\"\u003eTi-6Al-4V Aerospace-Grade Titanium\u003c\/strong\u003e – up to \u003cstrong data-end=\"1067\" data-start=\"1052\"\u003e60% lighter\u003c\/strong\u003e than OEM, sharper tone, maximum heat resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1197\" data-start=\"1119\"\u003eAll systems are fully TIG-welded by hand for strength and aesthetic precision.\u003c\/p\u003e\n\u003chr data-end=\"1202\" data-start=\"1199\"\u003e\n\u003ch3 data-end=\"1226\" data-start=\"1204\"\u003e\u003cstrong data-end=\"1224\" data-start=\"1208\"\u003eTip Options:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1290\" data-start=\"1227\"\u003ePremium \u003cstrong data-end=\"1247\" data-start=\"1235\"\u003e4.5-inch\u003c\/strong\u003e tip upgrade options (quad or OEM-style):\u003c\/p\u003e\n\u003cul data-end=\"1419\" data-start=\"1291\"\u003e\n\u003cli data-end=\"1312\" data-start=\"1291\"\u003e\n\u003cp data-end=\"1312\" data-start=\"1293\"\u003e\u003cstrong data-end=\"1310\" data-start=\"1293\"\u003eChrome Polish\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1346\" data-start=\"1313\"\u003e\n\u003cp data-end=\"1346\" data-start=\"1315\"\u003e\u003cstrong data-end=\"1344\" data-start=\"1315\"\u003eBurnt Blue Titanium Style\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1366\" data-start=\"1347\"\u003e\n\u003cp data-end=\"1366\" data-start=\"1349\"\u003e\u003cstrong data-end=\"1364\" data-start=\"1349\"\u003eSatin Black\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1419\" data-start=\"1367\"\u003e\n\u003cp data-end=\"1419\" data-start=\"1369\"\u003e\u003cstrong data-end=\"1419\" data-start=\"1369\"\u003eCarbon Fiber Wrapped with Stainless Inner Core\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1537\" data-start=\"1421\"\u003eQuad-tip requires an \u003cstrong data-end=\"1471\" data-start=\"1442\"\u003eaftermarket quad diffuser\u003c\/strong\u003e.\u003cbr data-end=\"1475\" data-start=\"1472\"\u003eOEM-style tips are available for stock diffuser compatibility.\u003c\/p\u003e\n\u003chr data-end=\"1542\" data-start=\"1539\"\u003e\n\u003ch3 data-end=\"1568\" data-start=\"1544\"\u003e\u003cstrong data-end=\"1566\" data-start=\"1548\"\u003eValve Control:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1758\" data-start=\"1569\"\u003e\n\u003cli data-end=\"1666\" data-start=\"1569\"\u003e\n\u003cp data-end=\"1666\" data-start=\"1571\"\u003eFully compatible with \u003cstrong data-end=\"1631\" data-start=\"1593\"\u003efactory electronic valve operation\u003c\/strong\u003e (Comfort \/ Sport \/ Sport+ modes)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1758\" data-start=\"1667\"\u003e\n\u003cp data-end=\"1758\" data-start=\"1669\"\u003eIncludes Yonristic \u003cstrong data-end=\"1726\" data-start=\"1688\"\u003estandalone remote valve controller\u003c\/strong\u003e for manual open\/close control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1763\" data-start=\"1760\"\u003e\n\u003ch3 data-end=\"1831\" data-start=\"1765\"\u003e\n\u003cstrong data-end=\"1791\" data-start=\"1769\"\u003ePerformance Gains:\u003c\/strong\u003e \u003cem data-end=\"1829\" data-start=\"1792\"\u003e(Realistic, research-based numbers)\u003c\/em\u003e\n\u003c\/h3\u003e\n\u003cp data-end=\"2035\" data-start=\"1832\"\u003eAftermarket cat-back gains for the BMW M850i (N63TU3 engine) typically fall between \u003cstrong data-end=\"1928\" data-start=\"1916\"\u003e8–20 WHP\u003c\/strong\u003e, depending on flow design. Our dual 3” system with an optimized X-pipe falls at the high end of the range.\u003c\/p\u003e\n\u003cul data-end=\"2459\" data-start=\"2037\"\u003e\n\u003cli data-end=\"2216\" data-start=\"2037\"\u003e\n\u003cp data-end=\"2069\" data-start=\"2039\"\u003e\u003cstrong data-end=\"2067\" data-start=\"2039\"\u003eCat-Back Only (no tune):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2216\" data-start=\"2072\"\u003e\n\u003cli data-end=\"2090\" data-start=\"2072\"\u003e\n\u003cp data-end=\"2090\" data-start=\"2074\"\u003e\u003cstrong data-end=\"2088\" data-start=\"2074\"\u003e+12–15 WHP\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2120\" data-start=\"2093\"\u003e\n\u003cp data-end=\"2120\" data-start=\"2095\"\u003e\u003cstrong data-end=\"2118\" data-start=\"2095\"\u003e+14–18 lb-ft Torque\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2174\" data-start=\"2123\"\u003e\n\u003cp data-end=\"2174\" data-start=\"2125\"\u003eImproved throttle response \u0026amp; faster turbo spool\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2216\" data-start=\"2177\"\u003e\n\u003cp data-end=\"2216\" data-start=\"2179\"\u003eNoticeably freer high-RPM breathing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2302\" data-start=\"2218\"\u003e\n\u003cp data-end=\"2251\" data-start=\"2220\"\u003e\u003cstrong data-end=\"2249\" data-start=\"2220\"\u003eWith Downpipes (no tune):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2302\" data-start=\"2254\"\u003e\n\u003cli data-end=\"2272\" data-start=\"2254\"\u003e\n\u003cp data-end=\"2272\" data-start=\"2256\"\u003e\u003cstrong data-end=\"2270\" data-start=\"2256\"\u003e+22–28 WHP\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2302\" data-start=\"2275\"\u003e\n\u003cp data-end=\"2302\" data-start=\"2277\"\u003e\u003cstrong data-end=\"2300\" data-start=\"2277\"\u003e+26–32 lb-ft Torque\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2459\" data-start=\"2304\"\u003e\n\u003cp data-end=\"2353\" data-start=\"2306\"\u003e\u003cstrong data-end=\"2351\" data-start=\"2306\"\u003eWith Downpipes + Stage 1 or Stage 2 Tune:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2459\" data-start=\"2356\"\u003e\n\u003cli data-end=\"2391\" data-start=\"2356\"\u003e\n\u003cp data-end=\"2391\" data-start=\"2358\"\u003e\u003cstrong data-end=\"2372\" data-start=\"2358\"\u003e+45–60 WHP\u003c\/strong\u003e (combined gains)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2421\" data-start=\"2394\"\u003e\n\u003cp data-end=\"2421\" data-start=\"2396\"\u003e\u003cstrong data-end=\"2419\" data-start=\"2396\"\u003e+55–70 lb-ft Torque\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2459\" data-start=\"2424\"\u003e\n\u003cp data-end=\"2459\" data-start=\"2426\"\u003eMaximum exhaust flow efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2464\" data-start=\"2461\"\u003e\n\u003ch3 data-end=\"2493\" data-start=\"2466\"\u003e\u003cstrong data-end=\"2491\" data-start=\"2470\"\u003eWeight Reduction:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2597\" data-start=\"2494\"\u003e\n\u003cli data-end=\"2541\" data-start=\"2494\"\u003e\n\u003cp data-end=\"2541\" data-start=\"2496\"\u003e\u003cstrong data-end=\"2517\" data-start=\"2496\"\u003eStainless System:\u003c\/strong\u003e ~20% lighter than OEM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2597\" data-start=\"2542\"\u003e\n\u003cp data-end=\"2597\" data-start=\"2544\"\u003e\u003cstrong data-end=\"2564\" data-start=\"2544\"\u003eTitanium System:\u003c\/strong\u003e Up to \u003cstrong data-end=\"2586\" data-start=\"2571\"\u003e60% lighter\u003c\/strong\u003e than OEM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2602\" data-start=\"2599\"\u003e\n\u003ch3 data-end=\"2627\" data-start=\"2604\"\u003e\u003cstrong data-end=\"2625\" data-start=\"2608\"\u003eInstallation:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2733\" data-start=\"2628\"\u003e\n\u003cli data-end=\"2681\" data-start=\"2628\"\u003e\n\u003cp data-end=\"2681\" data-start=\"2630\"\u003e100% \u003cstrong data-end=\"2646\" data-start=\"2635\"\u003eBolt-On\u003c\/strong\u003e, no welding, no cutting required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2733\" data-start=\"2682\"\u003e\n\u003cp data-end=\"2733\" data-start=\"2684\"\u003eUses all factory hangers \u0026amp; factory valve motors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yonristic Performance","offers":[{"title":"Catback Exhaust System \/ AISI304 Stainless Steel \/ (4) Chrome","offer_id":46034888589546,"sku":"YR-8041-BMW-CAT","price":2299.0,"currency_code":"USD","in_stock":true},{"title":"Catback Exhaust System \/ AISI304 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Black","offer_id":46034888786154,"sku":"YR-0974-BMW-CAT","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Catback Exhaust System \/ Ti-6Al-4V Titanium \/ (4) Burnt","offer_id":46034888818922,"sku":"YR-3511-BMW-CAT","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Catback Exhaust System \/ Ti-6Al-4V Titanium \/ (4) Carbon Fiber","offer_id":46034888851690,"sku":"YR-0857-BMW-CAT","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Catback Exhaust System \/ Ti-6Al-4V Titanium \/ OEM Style (No Tips)","offer_id":46034888884458,"sku":"YR-8544-BMW-CAT","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Downpipe \/ AISI304 Stainless Steel \/ (4) Chrome","offer_id":46034888917226,"sku":"YR-0338-BMW-CAT","price":2599.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Downpipe \/ AISI304 Stainless Steel \/ (4) Black","offer_id":46034888949994,"sku":"YR-4280-BMW-CAT","price":2599.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Downpipe \/ AISI304 Stainless Steel \/ (4) Burnt","offer_id":46034888982762,"sku":"YR-4397-BMW-CAT","price":2599.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Downpipe \/ AISI304 Stainless Steel \/ (4) Carbon Fiber","offer_id":46034889015530,"sku":"YR-9283-BMW-CAT","price":2599.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Downpipe \/ AISI304 Stainless Steel \/ OEM Style (No Tips)","offer_id":46034889048298,"sku":"YR-6289-BMW-CAT","price":2599.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Downpipe \/ Ti-6Al-4V Titanium \/ (4) Chrome","offer_id":46034889081066,"sku":"YR-2208-BMW-CAT","price":3299.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Downpipe \/ Ti-6Al-4V Titanium \/ (4) 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