2018-2026 CAP S63M 4.4 Downpipe & Midpipe - BMW F90 M5, F91 F92 F93 M8

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CAP S63M BMW F90 M5 4.4 Downpipe & Midpipe Treat your S63M equipped BMW with our beautiful downpipe + midpipe and increase the horsepower & torque of your car while getting a nice, aggressive exhaust note to match. Superior Sound, Better Flow, Increased Performance The CAP Cast Downpipes Exhaust replaces the restrictive OEM catalyst systems and upgrades it to a superior & better flowing system that improves on many characteristics that car enthusiasts look for. Expect faster turbo spool, less turbo lag, better throttle response, more horsepower & torque and last but certainly not least: an exhilarating improved exhaust note. Key Features: 100% TIG welded & back purged Constructed of top quality 304 Stainless Steel Precision CNC machined flanges Bolt-on installation Faster turbo spool up & better throttle response Improved exhaust note Improved exhaust flow Increased HP and torque Match your V8 equipped BMW with a downpipe it deserves, make the turbo work to its maximum efficiency! The F90 BMW M5 & M8 deserve the beautiful CAP downpipe & midpipe combo to wake its glorious engine up and do what it was meant to do with the increased flow & efficiency. Heat shield (optional) - Using the highest quality heat shield available, protect your engine bay from the heat with our heatshielded downpipes! Please note the regular downpipe & midpipe combo is not heatshielded, you must select the heat shield option for them to be heatshielded. Heat Shielded vs. Non-Heat Shielded Downpipes - What to Choose? When it comes to choosing between heat shielded and non-heat shielded downpipes for your BMW, understanding the pros and cons of each option will help you maximize performance and protect your engine components. Here’s a quick overview to make things easy: Benefits of Heat-Shielded Downpipes for your S63M BMW Heat shielded downpipes offer several advantages that can significantly improve your BMW's performance and longevity: Reduced Heat Soak: By effectively managing exhaust heat, heat shields prevent excessive temperatures from affecting nearby components, reducing the risk of heat soak and maintaining optimal engine performance. Enhanced Engine Bay Protection: Heat shields act as a barrier, protecting sensitive components such as electrical systems, fuel lines, and wiring harnesses from heat-related damage. Improved Air Intake Temperature: By keeping engine bay temperatures lower, heat shields help maintain cooler air intake temperatures, leading to better combustion and increased power output. Optimized Exhaust Flow: Heat shielding helps maintain higher exhaust gas temperatures, which can improve exhaust flow and scavenging, potentially leading to better turbocharger performance and faster spool times. Noise and Vibration Reduction: Heat shields can also help dampen noise and vibrations, contributing to a more refined driving experience. For performance enthusiasts looking to maximize their BMW's potential, the benefits of heat shielded downpipes often outweigh the negligible increase in weight and cost. NOTE: The removal of factory catalytic converters will trigger a check engine light. Software tunes are recommended to maximize the power gains. Important Notice:This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles. By purchasing this product you acknowledge its intended use and represent that you understand and agree that the product is not designed to meet any applicable emissions standards, the product is not C.A.R.B. complaint. Can Auto Performance makes no representations, warranties or claims that this product complies with any applicable emissions laws and expressly disclaims any and all such representations, warranties and claims, whether express or implied. By purchasing this product, you represent, warrant and agree that it is your responsibility to inform yourself of any laws or regulations that may apply to your purchase and/or use of the product. Show more