{"title":"Exhaust System Upgrades For BMW Z4 II (E89)","description":"Enhance your BMW Z4 II (E89) with our curated collection of exhaust system upgrades built specifically for your model. These aftermarket parts are designed to improve exhaust flow, boost engine response, and deliver a more aggressive sound profile without compromising reliability. Whether you’re after better performance or a sportier tone, our selection offers options to elevate your driving experience.\n\nIn this collection, you’ll find high-quality components including cat-back systems, downpipes, mufflers, and exhaust tips—all engineered for precise fitment and lasting durability. Each part is chosen to complement your Z4’s performance and style, helping you unlock its full potential on the road.\n\nShop exhaust system upgrades for your BMW Z4 II (E89) at WheelFlip.","products":[{"product_id":"akrapovic-slip-on-line-titanium-w-carbon-fiber-tips-bmw-g29-z4-m40i","title":"Akrapovic Slip-On Line Exhaust (Titanium) w\/ Carbon Fiber Tips | BMW Z4 M40i (G29) (S-BM\/T\/9H)","description":"\u003cdiv class=\"dark-description-layout\" id=\"newdescr\"\u003e\u003cp\u003eManufactured to exacting specifications from high-grade\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etitanium\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– with parts cast in Akrapovič’s in-house foundry – this system utilizes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elightweight\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ematerials to reduce overall vehicle weight and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoptimize power\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand torque through the entire rev range. Meeting\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eECE\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003etype approval, the design of the system fully adapts to the lines of the car, and the single-muffler layout with four superb hand-crafted\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecarbon-fiber\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eround tailpipes give a distinctive look to the rear of the car. Various sound modes add to the experience, with a sporty and animated roar from the six-cylinder engine when the revs rise, and a more pleasing experience in comfort mode, ideal for cruising with the roof down. An optional Akrapovič Sound Kit is available to control the various sound settings, and optional tuning opportunities exist through the addition of the stainless-steel Evolution Link Pipe set. As with the Sound Kit, fitting the Link Pipe will negate the ECE type approval.Fitment and EC type-approval are valid for engine type B58B30C. ECE type approval is only valid for cars equipped with otto\/gasoline particulate filter.For installing the slip-on system, the stock exhaust system has to be cut. Please read the instructions carefully before the start of the installation.\u003c\/p\u003e\u003c\/div\u003e","brand":"Akrapovic","offers":[{"title":"Default Title","offer_id":51152095936799,"sku":"S-BM\/T\/9H","price":5769.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/a0d8cd1a-70ea-4f65-af5a-e68da423d8b2hj.png?v=1755755133"},{"product_id":"magnaflow-california-grade-carb-compliant-universal-catalytic-converter-5421206","title":"Magnaflow California Grade Universal 2.50in Catalytic Converter | California (5421206)","description":"\u003ch1\u003eRadium Engineering Radium 10AN 90Deg Pushlok Hose End\u003c\/h1\u003e\n\u003ch2\u003eUniversal Fitment for Various Automotive Applications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 14-0213\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Radium 10AN 90Deg Pushlok Hose End is a versatile and high-quality fitting designed for a wide range of automotive fluid transfer applications. Whether you're building a custom fuel system, oil cooler line, or coolant loop, this 10AN hose end provides a reliable connection that ensures leak-free performance and durability. Crafted by Radium Engineering, a trusted name in performance automotive components, this fitting is ideal for enthusiasts who demand precision and dependability in their custom plumbing setups.\u003c\/p\u003e\n\u003cp\u003eDesigned for both professional builders and DIY enthusiasts, this hose end allows for quick and secure connections without the need for specialized tools or complicated assembly. Its universal compatibility makes it suitable for various hoses and fittings, simplifying your installation process and enhancing your vehicle's performance and reliability.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eThe Radium 10AN 90Deg Pushlok Hose End offers several technical advantages that make it a top choice for custom fluid systems:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Compatible with a wide range of hoses and fittings, making it suitable for fuel, oil, coolant, and other fluid transfer lines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Materials:\u003c\/strong\u003e Constructed from durable materials designed to withstand high pressures and temperatures typical in performance applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePush-Lok Design:\u003c\/strong\u003e Features a push-to-connect mechanism that simplifies installation and ensures a secure, leak-free connection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90-Degree Bend:\u003c\/strong\u003e The 90-degree angle allows for flexible routing in tight engine bays or custom plumbing configurations, reducing stress on hoses and fittings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e The fitting's finish and materials resist corrosion and oxidation, ensuring longevity even in harsh environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Machining:\u003c\/strong\u003e Manufactured with tight tolerances for a perfect fit and consistent performance across multiple installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Application:\u003c\/strong\u003e Suitable for use in fuel systems, oil coolers, coolant lines, and other fluid transfer systems in performance and racing vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThe Radium 10AN 90Deg Pushlok Hose End is engineered with a focus on durability and ease of use. Its body is made from high-grade materials that resist corrosion and withstand high-pressure environments. The 90-degree angle is precisely machined to ensure a smooth flow path, reducing turbulence and pressure drops within your fluid system. The push-lok mechanism features a robust design that allows for quick assembly and disassembly, making maintenance and modifications straightforward. This fitting is designed to work seamlessly with Radium's line of hoses and fittings, providing a secure and reliable connection every time.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eInstalling the Radium 10AN 90Deg Pushlok Hose End is straightforward and requires no special tools beyond standard hand tools. Simply push the fitting onto the compatible hose until it seats securely. The push-lok design ensures a tight, leak-free connection without the need for clamps or additional hardware. This fitting is designed to work with Radium's line of hoses and can be used in various custom plumbing setups. No cutting, drilling, or tuning is required, making it an ideal choice for quick upgrades or repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePush-to-connect design for easy installation\u003c\/li\u003e\n  \u003cli\u003eNo special tools or clamps needed\u003c\/li\u003e\n  \u003cli\u003eCompatible with a wide range of hoses and fluids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Radium Engineering 10AN 90Deg Pushlok Hose End\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePerformance automotive enthusiasts building custom fluid systems\u003c\/li\u003e\n  \u003cli\u003eRacers requiring reliable, high-pressure fittings\u003c\/li\u003e\n  \u003cli\u003eDIYers seeking easy-to-install, durable fittings for fuel, oil, or coolant lines\u003c\/li\u003e\n  \u003cli\u003eEngine bay plumbing where space is limited and flexible routing is needed\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Magnaflow","offers":[{"title":"Default Title","offer_id":51196043952415,"sku":"5421206","price":286.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/27255aed3c0a4f6b7034b6bd5c9c48ce.jpg?v=1756717356"},{"product_id":"magnaflow-california-grade-carb-compliant-universal-catalytic-converter-5421205","title":"Magnaflow California Grade Universal Catalytic Converter 2.25in | California (5421205)","description":"\u003ch1\u003eMagnaflow California Grade Universal Catalytic Converter\u003c\/h1\u003e\n\u003ch2\u003eUniversal Fit for a Wide Range of Vehicles | 2.25-inch Diameter\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 5421205\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe MagnaFlow California Grade Universal Catalytic Converter is designed to help you maintain compliance with California emissions standards while ensuring your vehicle continues to perform at its best. Crafted with high-quality stainless steel, this catalytic converter offers excellent durability and resistance to corrosion, making it a reliable choice for both daily drivers and performance enthusiasts who seek a long-lasting solution. Its universal design provides flexibility for a wide array of vehicles, but installation will require cutting and welding to fit your specific application.\u003c\/p\u003e\n\u003cp\u003eIf you're looking to keep your check engine light off and meet strict emissions requirements, this catalytic converter is an ideal upgrade. It is engineered to reduce harmful emissions effectively while supporting your vehicle's performance and efficiency. Whether you're replacing a faulty converter or upgrading your exhaust system, this product offers a dependable, high-quality solution that aligns with California's rigorous standards.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned with performance and longevity in mind, the MagnaFlow California Grade Universal Catalytic Converter features:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-grade stainless steel construction that resists corrosion and withstands high temperatures, ensuring long-term durability.\u003c\/li\u003e\n  \u003cli\u003eSpun body design with laser fusion welds that significantly reduce the risk of leaks and improve structural integrity.\u003c\/li\u003e\n  \u003cli\u003eCompact, low-mass profile that enhances thermal efficiency and helps maintain optimal operating temperatures for effective emission reduction.\u003c\/li\u003e\n  \u003cli\u003eUniversal fitment allowing installation on a variety of vehicles with appropriate modifications, including cutting and welding.\u003c\/li\u003e\n  \u003cli\u003eCalifornia CARB compliant, making it legal for use in California and other states with similar emissions regulations.\u003c\/li\u003e\n  \u003cli\u003eEngineered to help keep the check engine light off by meeting strict emissions standards.\u003c\/li\u003e\n  \u003cli\u003eOptimized for thermal efficiency, aiding in the reduction of emissions and supporting vehicle performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThe MagnaFlow California Grade Universal Catalytic Converter is built with a spun stainless steel body that offers excellent resistance to corrosion and high temperatures. The laser fusion welding process ensures a leak-proof seal, which is critical for maintaining emissions compliance and preventing exhaust leaks. Its compact, low-mass design not only improves thermal efficiency but also makes it easier to fit into tight spaces with proper customization. The overall construction emphasizes durability, reliability, and compliance with California's strict emissions standards, making it suitable for a variety of applications where legal emissions performance is required.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eInstalling the MagnaFlow California Grade Universal Catalytic Converter requires cutting and welding to fit your specific vehicle. This universal design provides flexibility but necessitates proper fabrication for a secure and effective installation. No additional tuning or modifications are typically required beyond the installation process. Due to its universal nature, precise fitment depends on your vehicle's exhaust configuration, and professional installation is recommended to ensure proper alignment and sealing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequires cutting and welding for installation.\u003c\/li\u003e\n  \u003cli\u003eNo tuning needed post-installation.\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit a wide range of vehicles with appropriate modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUniversal stainless steel catalytic converter with spun body\u003c\/li\u003e\n  \u003cli\u003eAll necessary laser fusion welds for leak-proof performance\u003c\/li\u003e\n  \u003cli\u003eHardware and clamps not included; professional installation recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVehicle owners seeking to maintain California emissions compliance\u003c\/li\u003e\n  \u003cli\u003ePerformance enthusiasts needing a durable, reliable catalytic converter\u003c\/li\u003e\n  \u003cli\u003eMechanics and custom fabricators performing exhaust system upgrades\u003c\/li\u003e\n  \u003cli\u003eDrivers requiring a high-quality replacement for worn or damaged converters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Magnaflow","offers":[{"title":"Default Title","offer_id":51196390768927,"sku":"5421205","price":286.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/d821cdeaf0c7edd505432ee34fae440f.jpg?v=1756718847"},{"product_id":"borla-13-16-bmw-335i-435i-atak-cat-back-ss-3-0in-2-25in-3-5in-tip-single-rolled","title":"Borla Atak 3.0in SS Cat Back Exhaust | BMW 335i \/ 435i (13-16) (140580)","description":"\u003ch1\u003eBorla Exhaust Systems\u003c\/h1\u003e\n\u003ch2\u003eFits 2013–2016 BMW 335i and 435i Models\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 140580\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\nThe Borla Atak Cat Back Exhaust System is designed to enhance the sound and performance of your BMW 335i or 435i. Crafted from high-quality stainless steel, this system offers a combination of durability, style, and aggressive sound that appeals to driving enthusiasts seeking a bold auditory experience. It’s ideal for those looking to upgrade their vehicle’s exhaust note while supporting optimal exhaust flow and engine response. Whether you’re aiming for a more commanding presence on the road or improved exhaust efficiency, this system delivers both style and substance.\n\u003ch3\u003eKey Features\u003c\/h3\u003e\nThis Borla exhaust system features a meticulously engineered design that emphasizes performance and durability. Constructed from premium stainless steel, it resists corrosion and maintains its appearance over time. The system’s 3.0-inch diameter piping ensures efficient exhaust flow, reducing backpressure and supporting engine responsiveness. The dual 3.5-inch rolled tips provide a polished, aggressive look that complements your vehicle’s stance. Designed for straightforward installation, it offers a direct bolt-on fitment for compatible BMW models. The system’s signature Borla sound delivers a deep, resonant tone that amplifies the vehicle’s sporty character without excessive drone.\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\nBuilt from high-grade stainless steel, this exhaust system combines strength with corrosion resistance. The rolled tips are crafted for durability and aesthetic appeal, providing a clean, finished look that enhances your vehicle’s rear profile. The piping layout is optimized for maximum exhaust flow, ensuring reliable performance and longevity.\n\u003ch3\u003eDriving Feel \u0026amp; Feedback\u003c\/h3\u003e\nThe Borla Atak system enhances the auditory experience of your BMW, delivering a powerful and refined exhaust note that elevates driving enjoyment. The increased flow and optimized design contribute to a more responsive throttle and a noticeable improvement in exhaust sound quality, making every drive more engaging.\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\nDesigned as a direct bolt-on upgrade, this exhaust system requires no cutting or welding. It is intended to fit 2013–2016 BMW 335i and 435i models, providing a hassle-free installation process that allows you to enjoy your upgraded sound and performance quickly.\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\nThe package includes the stainless steel cat-back exhaust system with dual rolled tips, clamps, and all necessary hardware for a secure installation.\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\nThis system is perfect for BMW owners seeking a bold, aggressive exhaust tone combined with improved exhaust flow and durability. It’s an excellent choice for enthusiasts looking to elevate their vehicle’s sporty character and driving experience.","brand":"Borla","offers":[{"title":"Default Title","offer_id":51643463270687,"sku":"140580","price":1668.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/s-l1600_1a287df4-64cc-42cb-9394-7b707407d102.webp?v=1776924333"}],"url":"https:\/\/shop.wheelflip.com\/collections\/exhaust-system-upgrades-for-bmw-z4-ii-e89.oembed","provider":"WheelFlip","version":"1.0","type":"link"}