{"product_id":"bmw-g20-g22-330i-430i-valved-axleback-exhaust-system","title":"Valvetronic Exhaust for BMW 330i G20 (19-24) 430i G22 G23 (21-24) Valved Axle-Back","description":"\u003cp\u003e\u003cstrong\u003eMake your BMW 330i or 430i louder when you want to hear the B46 or B48, then close the valve when you want the car closer to its factory sound. This Valvetronic Designs axle-back works with the factory BMW exhaust-valve controls, so the sound changes with your drive modes just like the original exhaust.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith the valve open, the exhaust bypasses the muffler for a deeper and more aggressive sound. Close the valve and the exhaust gases are routed through Valvetronic's quad-chambered muffler, bringing the sound back down for cold starts, highway driving or any time you do not want the car as loud.\u003c\/p\u003e\n\u003cp\u003eThe system is made from T304 stainless steel with mandrel-bent piping and TIG-welded connections. It uses the factory mounting points and designated cut locations, while the dual 3.5-inch tips give the rear of the car a much better look than the original outlets.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFitment Information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 330i G20 Sedan RWD \/ xDrive (2019, 2020, 2021, 2022, 2023, 2024)\u003c\/li\u003e\n\u003cli\u003eBMW 430i G22 Coupe RWD \/ xDrive (2021, 2022, 2023, 2024)\u003c\/li\u003e\n\u003cli\u003eBMW 430i G23 Convertible RWD \/ xDrive (2021, 2022, 2023, 2024)\u003c\/li\u003e\n\u003cli\u003eBMW 330i G20 Sedan RWD \/ xDrive (2025; modification required)\u003c\/li\u003e\n\u003cli\u003eBMW 430i G22 Coupe RWD \/ xDrive (2025; modification required)\u003c\/li\u003e\n\u003cli\u003eBMW 430i G23 Convertible RWD \/ xDrive (2025; modification required)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFitment Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits BMW 330i and 430i models with the B46 or B48 2.0L turbocharged engine.\u003c\/li\u003e\n\u003cli\u003eFits applicable rear-wheel-drive and xDrive models.\u003c\/li\u003e\n\u003cli\u003eDoes not fit the BMW M340i or M440i. Those models use a different Valvetronic exhaust system.\u003c\/li\u003e\n\u003cli\u003eDoes not fit the G42 BMW 230i.\u003c\/li\u003e\n\u003cli\u003eDoes not fit the BMW 330e plug-in hybrid due to the location of the hybrid battery.\u003c\/li\u003e\n\u003cli\u003eValvetronic lists 2025 models as compatible with modification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eHow the Valved Exhaust Works\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis system uses an OEM-style electronic exhaust valve and connects to the factory BMW valve controls with the included extension harness. You can change the exhaust sound through the factory drive modes without adding a separate remote or controller.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve open:\u003c\/strong\u003e Exhaust bypasses the quad-chambered muffler for a deeper and louder sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve closed:\u003c\/strong\u003e Exhaust is routed through the muffler for sound levels closer to the factory exhaust.\u003c\/li\u003e\n\u003cli\u003eWorks with the factory BMW drive-mode controls.\u003c\/li\u003e\n\u003cli\u003eExtension harness included for the electronic exhaust valve.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSpecs \u0026amp; Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eValved axle-back exhaust system\u003c\/li\u003e\n\u003cli\u003eBrushed T304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eQuad-chambered muffler\u003c\/li\u003e\n\u003cli\u003eOEM-style electronic exhaust valve\u003c\/li\u003e\n\u003cli\u003eFactory drive-mode integration\u003c\/li\u003e\n\u003cli\u003eFully mandrel-bent exhaust piping\u003c\/li\u003e\n\u003cli\u003ePrecision TIG-welded construction\u003c\/li\u003e\n\u003cli\u003eUses the factory mounting points and designated cut locations\u003c\/li\u003e\n\u003cli\u003eDual 3.5-inch exhaust tips\u003c\/li\u003e\n\u003cli\u003eCan be returned to the factory exhaust setup\u003c\/li\u003e\n\u003cli\u003eWorks as a standalone axle-back or with other compatible exhaust upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eExhaust Tip Options\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x1 carbon fiber 3.5-inch tips\u003c\/li\u003e\n\u003cli\u003eBrushed stainless steel 3.5-inch tips\u003c\/li\u003e\n\u003cli\u003eBurnt-finish 3.5-inch tips\u003c\/li\u003e\n\u003cli\u003eBlack 3.5-inch tips\u003c\/li\u003e\n\u003cli\u003eForged carbon fiber 3.5-inch tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eWhat Is Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eT304 stainless steel valved axle-back exhaust\u003c\/li\u003e\n\u003cli\u003eQuad-chambered muffler assembly\u003c\/li\u003e\n\u003cli\u003eOEM-style electronic exhaust valve\u003c\/li\u003e\n\u003cli\u003eFactory valve extension harness\u003c\/li\u003e\n\u003cli\u003eSelected 3.5-inch exhaust tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis axle-back uses the factory exhaust mounting points and designated cut locations. The original exhaust must be measured and cut before the Valvetronic axle-back is installed. Professional installation is recommended if you are not comfortable cutting and aligning exhaust piping.\u003c\/p\u003e\n\u003cp\u003eThe included extension harness connects the electronic valve to the factory BMW exhaust-valve wiring. No separate remote or standalone valve controller is needed when the factory valve system is present.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eVideo\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHere is a video from Valvetronic Designs showing how their valved axle-back exhaust sounds on a BMW G20 330i.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/yTW6js7aLeA\" title=\"Valvetronic Designs BMW G20 330i Valved Axle-Back Exhaust\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eInstallation Video\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHere is an installation video from Valvetronic Designs showing how to install the axle-back exhaust on a BMW G20 330i.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/WkmjAEKwK_U\" title=\"How to Install the Valvetronic Designs BMW G20 330i Exhaust\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003ePairs Well With\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/shop.redline360.com\/products\/hps-performance-air-intake-bmw-330i-19-24-330e-21-24-2-0l-turbo-b48-g20-polished-or-black\"\u003eHPS Air Intake for BMW 330i G20\u003c\/a\u003e – Add more turbo and intake sound from the B46 or B48 engine to go with the deeper Valvetronic exhaust note.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/shop.redline360.com\/products\/hps-performance-air-intake-bmw-430i-2-0l-turbo-b48-g22-g23-21-25-430i-gran-coupe-2-0l-turbo-b48-g26-21-25-polished-or-black\"\u003eHPS Air Intake for BMW 430i G22 \/ G23\u003c\/a\u003e – Give the 430i more induction sound while replacing the restrictive factory intake piping.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/shop.redline360.com\/products\/csf-heat-exchanger-bmw-3-series-g20-2018-2021-8154\"\u003eCSF Heat Exchanger for BMW 330i G20 and 430i G22\u003c\/a\u003e – Help control charge-air temperatures during repeated hard driving on a tuned or otherwise modified B46 or B48 BMW.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStainless steel exhaust tubing and welds carry a limited lifetime-of-ownership warranty against manufacturing defects and penetrating rust.\u003c\/li\u003e\n\u003cli\u003eMufflers carry a three-year limited warranty.\u003c\/li\u003e\n\u003cli\u003eElectronic valves and related electronics carry a one-year limited warranty.\u003c\/li\u003e\n\u003cli\u003eExhaust tip finishes carry a one-year limited warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eAbout Valvetronic Designs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eValvetronic Designs makes exhaust systems that let you choose how loud you want your car to be. Open the valve when you want to hear the engine and close it when you want less exhaust sound, all without swapping parts or changing the rest of the exhaust.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCheck your local exhaust sound and emissions regulations before installation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"1x1 Carbon","offer_id":42992375201872,"sku":"BMW.G20.330i.AXL.BR.RC","price":1399.99,"currency_code":"USD","in_stock":true},{"title":"Brushed Steel","offer_id":42992375234640,"sku":"BMW.G20.330i.AXL.BR.BRSH","price":1399.99,"currency_code":"USD","in_stock":true},{"title":"Burnt","offer_id":42992375267408,"sku":"BMW.G20.330i.AXL.BR.BRT","price":1399.99,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":42992375300176,"sku":"BMW.G20.330i.AXL.BR.BLK","price":1399.99,"currency_code":"USD","in_stock":true},{"title":"Forged Carbon","offer_id":42992375332944,"sku":"BMW.G20.330i.AXL.BR.FC","price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0058\/0252\/4785\/files\/valvetronic-exhaust-bmw-330i-g20-430i-g22-g23-valved-axle-back.jpg?v=1790979214","url":"https:\/\/shop.redline360.com\/products\/bmw-g20-g22-330i-430i-valved-axleback-exhaust-system","provider":"Redline360","version":"1.0","type":"link"}