{"product_id":"mtc-decat-downpipes-3-for-mclaren-mp4-12c","title":"MTC Decat Downpipes 3” for McLaren MP4-12C","description":"\u003ch2 data-end=\"277\" data-start=\"213\"\u003e\u003cstrong data-end=\"277\" data-start=\"216\"\u003eMTC Motorsport Decat Downpipes 3″ – McLaren MP4-12C (M838T)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"629\" data-start=\"279\"\u003eUpgrade your McLaren MP4-12C’s exhaust flow and throttle response with MTC Motorsport’s 3″ Decat Downpipes — engineered for direct fitment and high-temperature performance. Designed to replace the restrictive factory catalytic converters, this performance upgrade increases exhaust velocity, sharpens turbo spool, and enhances the MP4-12C’s exhaust note.\u003c\/p\u003e\n\u003ch3 data-end=\"663\" data-start=\"631\"\u003e\u003cstrong data-end=\"663\" data-start=\"635\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"695\" data-start=\"665\"\u003eManufacturer: MTC Motorsport\u003c\/p\u003e\n\u003cp data-end=\"742\" data-start=\"697\"\u003eApplication: McLaren MP4-12C (M838T V8 Turbo)\u003c\/p\u003e\n\u003cp data-end=\"796\" data-start=\"744\"\u003ePipe Diameter: 3″ (76.2 mm) mandrel-bent stainless\u003c\/p\u003e\n\u003cp data-end=\"868\" data-start=\"798\"\u003eMaterial: SS304 aircraft-grade stainless steel (downpipes \u0026amp; flanges)\u003c\/p\u003e\n\u003cp data-end=\"930\" data-start=\"870\"\u003eConstruction: Mandrel-bent tubing with precision TIG welds\u003c\/p\u003e\n\u003cp data-end=\"960\" data-start=\"932\"\u003eHeat Shields: Not included\u003c\/p\u003e\n\u003cp data-end=\"1056\" data-start=\"962\"\u003eWeight: Lighter than OE catalytic converter assembly (substantial weight reduction vs stock)\u003c\/p\u003e\n\u003cp data-end=\"1175\" data-start=\"1058\"\u003eThermal Management: Reduced exhaust restriction lowers exhaust gas temperatures versus factory catalytic converters\u003c\/p\u003e\n\u003cp data-end=\"1226\" data-start=\"1177\"\u003eWarranty: Lifetime warranty from MTC Motorsport\u003c\/p\u003e\n\u003ch3 data-end=\"1248\" data-start=\"1228\"\u003e\u003cstrong data-end=\"1248\" data-start=\"1232\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1392\" data-start=\"1250\"\u003eDirect OEM-Fit Design — Precision-engineered to bolt straight into the McLaren 600LT exhaust system with no cutting or fabrication required.\u003c\/p\u003e\n\u003cp data-end=\"1530\" data-start=\"1394\"\u003eEnhanced Exhaust Flow — 3″ bore and smooth mandrel bends reduce backpressure for faster turbo response and improved throttle response.\u003c\/p\u003e\n\u003cp data-end=\"1693\" data-start=\"1532\"\u003eSharper Turbo Spool \u0026amp; Sound — Removal of restrictive cats combined with high-flow design delivers crisper throttle response and a more aggressive exhaust note.\u003c\/p\u003e\n\u003cp data-end=\"1818\" data-start=\"1695\"\u003eMotorsport-Focused Design — Catless construction prioritises performance and sound for track-oriented and tuned vehicles.\u003c\/p\u003e\n\u003cp data-end=\"1938\" data-start=\"1820\"\u003eWeight Savings — Reduces mass compared to factory catalytic setup, contributing to overall vehicle weight reduction.\u003c\/p\u003e\n\u003cp data-end=\"2044\" data-start=\"1940\"\u003ePro Install Recommended — ~5–6 hours install time; rear body panel removal may be required for access.\u003c\/p\u003e\n\u003ch3 data-end=\"2062\" data-start=\"2046\"\u003e\u003cstrong data-end=\"2062\" data-start=\"2050\"\u003eBenefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2155\" data-start=\"2064\"\u003eImproved Turbo Response — Faster spool and reduced lag for more immediate power delivery.\u003c\/p\u003e\n\u003cp data-end=\"2287\" data-start=\"2157\"\u003eAggressive Exhaust Tone — A louder and more engaging exhaust character, especially when paired with performance exhaust systems.\u003c\/p\u003e\n\u003cp data-end=\"2370\" data-start=\"2289\"\u003eRobust Stainless Construction — Long-lasting corrosion resistance and strength.\u003c\/p\u003e\n\u003cp data-end=\"2446\" data-start=\"2372\"\u003eLifetime Coverage — Confidence-inspiring MTC warranty for peace of mind.\u003c\/p\u003e\n\u003ch3 data-end=\"2463\" data-start=\"2448\"\u003e\u003cstrong data-end=\"2463\" data-start=\"2452\"\u003eFitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2489\" data-start=\"2465\"\u003eVehicle Compatibility:\u003c\/p\u003e\n\u003cp data-end=\"2556\" data-start=\"2491\"\u003eMcLaren MP4-12C (2011–2014)\u003cbr data-end=\"2519\" data-start=\"2516\"\u003eEngine: 3.8 L Twin-Turbo V8 (M838T)\u003c\/p\u003e\n\u003cp data-end=\"2674\" data-start=\"2558\"\u003eNote: Proper registration and tuning may be required for emissions control systems depending on local regulations.\u003c\/p\u003e\n\u003ch3 data-end=\"2697\" data-start=\"2676\"\u003e\u003cstrong data-end=\"2697\" data-start=\"2680\"\u003eInstall Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2771\" data-start=\"2732\"\u003eSpecial Tools: Standard exhaust tools\u003c\/p\u003e\n\u003cp data-end=\"2895\" data-start=\"2773\"\u003eAdditional Items: Lambda spacers and\/or ECU calibration may be required to prevent diagnostic errors; consult installer.\u003c\/p\u003e\n\u003ch3 data-end=\"2921\" data-start=\"2897\"\u003e\u003cstrong data-end=\"2921\" data-start=\"2901\"\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2968\" data-start=\"2923\"\u003e(1) Pair of 3″ Decat Downpipes with Flanges\u003c\/p\u003e\n\u003cp data-end=\"3007\" data-start=\"2970\"\u003eInstallation hardware (as required)\u003c\/p\u003e","brand":"Rennworks Performance","offers":[{"title":"Default Title","offer_id":56990892228943,"sku":"MTCDD-3-MP4-12C","price":1099.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0942\/0924\/5519\/files\/IMG_9992_dd4a1e30-9f23-4a6f-8570-12a8802b5aca.jpg?v=1770556503","url":"https:\/\/rennworks-performance.com\/products\/mtc-decat-downpipes-3-for-mclaren-mp4-12c","provider":"Rennworks Performance","version":"1.0","type":"link"}