{"id":8845987447017,"title":"SEP B58 Downpipe Upgrade","handle":"sep-b58-downpipe-upgrade-2016-2022-bmw-m240i-340i-440i-540i-740i-840i-xdrive","description":"

Compatible with any 2016 – 2024 BMW (M240i/M340i/M440i/340i/440i/540i/740i/840i & xDrive)
The B58 downpipe is crafted from high-grade T-304 stainless steel and TIG-welded in-house for exceptional quality.
Designed to connect directly to the turbo, it delivers sharper throttle response by promoting quicker turbo spool.
Expect noticeable power gains along with a more aggressive and exhilarating exhaust note.
By reducing exhaust backpressure and lowering temperatures, it optimizes turbocharger efficiency, increases cylinder charge, and maximizes overall performance.

*FOR TRACK USE ONLY*

","published_at":"2025-01-27T22:10:44-05:00","created_at":"2025-01-27T22:10:44-05:00","vendor":"SEPRaceworks","type":"Performance part","tags":[],"price":24999,"price_min":24999,"price_max":24999,"available":true,"price_varies":false,"compare_at_price":29999,"compare_at_price_min":29999,"compare_at_price_max":29999,"compare_at_price_varies":false,"variants":[{"id":48086207234281,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SEP B58 Downpipe Upgrade","public_title":null,"options":["Default Title"],"price":24999,"weight":3500,"compare_at_price":29999,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["//sepraceworks.com/cdn/shop/files/IMG_4695-removebg-preview.png?v=1743539882","//sepraceworks.com/cdn/shop/files/IMG_4696-removebg-preview.png?v=1743539888"],"featured_image":"//sepraceworks.com/cdn/shop/files/IMG_4695-removebg-preview.png?v=1743539882","options":["Title"],"media":[{"alt":null,"id":36901653905641,"position":1,"preview_image":{"aspect_ratio":0.75,"height":577,"width":433,"src":"//sepraceworks.com/cdn/shop/files/IMG_4695-removebg-preview.png?v=1743539882"},"aspect_ratio":0.75,"height":577,"media_type":"image","src":"//sepraceworks.com/cdn/shop/files/IMG_4695-removebg-preview.png?v=1743539882","width":433},{"alt":null,"id":36901653971177,"position":2,"preview_image":{"aspect_ratio":0.75,"height":577,"width":433,"src":"//sepraceworks.com/cdn/shop/files/IMG_4696-removebg-preview.png?v=1743539888"},"aspect_ratio":0.75,"height":577,"media_type":"image","src":"//sepraceworks.com/cdn/shop/files/IMG_4696-removebg-preview.png?v=1743539888","width":433}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"

Compatible with any 2016 – 2024 BMW (M240i/M340i/M440i/340i/440i/540i/740i/840i & xDrive)
The B58 downpipe is crafted from high-grade T-304 stainless steel and TIG-welded in-house for exceptional quality.
Designed to connect directly to the turbo, it delivers sharper throttle response by promoting quicker turbo spool.
Expect noticeable power gains along with a more aggressive and exhilarating exhaust note.
By reducing exhaust backpressure and lowering temperatures, it optimizes turbocharger efficiency, increases cylinder charge, and maximizes overall performance.

*FOR TRACK USE ONLY*