BMW M5 F90 / M8 F9x Goodridge braided steel brake hose lines kit
These 3.5" / 89mm reduced to 3" / 76mm Alpha Competition stainless steel decat downpipes fit without modification between the turbos and the front pipes of the S63 engines fitted to the BMW M5 F90 and BMW M8 F9x. Made from high quality T304 stainless steel with handmade TIG welds and featuring a high flow structure, these downpipes able to support over 1000hp are clearly the best value for money on the market !
-
Direct mounting
100% T304 stainless steel
3.5" / 89mm main pipes and 3" / 76mm secondary pipes
Measured gain on stage 1 : 110hp
Handmade TIG welded
Assembly kit included
Lifetime warranty
| Brand | Model | Type | Version |
|---|---|---|---|
| BMW | 5 Series | F9x - 16-23 | M5 - 600 / 625 |
| BMW | 8 Series | F9x - 18-... | M8 - 600 / 625 |
These 3.5" / 89mm reduced to 3" / 76mm Alpha Competition stainless steel decat downpipes fit without modification between the turbos and the front pipes of the S63 engines fitted to the BMW M5 F90 and BMW M8 F9x. Made from high quality T304 stainless steel with handmade TIG welds and featuring a high flow structure, these downpipes able to support over 1000hp are clearly the best value for money on the market !
-
Direct mounting
100% T304 stainless steel
3.5" / 89mm main pipes and 3" / 76mm secondary pipes
Measured gain on stage 1 : 110hp
Handmade TIG welded
Assembly kit included
Lifetime warranty
| Brand | Model | Type | Version |
|---|---|---|---|
| BMW | 5 Series | F9x - 16-23 | M5 - 600 / 625 |
| BMW | 8 Series | F9x - 18-... | M8 - 600 / 625 |
- Further information -
Our technical specifications and compatibilities refer to the standard equipment of the vehicles mentioned, in case of doubt about the compatibility of a product, please contact our customer service to answer your questions.
Content protected by copyright © 2026 - All rights reserved
Alpha Competition products are inspected and certified as compliant before shipping. This certification is complementary to the manufacturer's warranty covering manufacturing or material defects for one year on most products in the range. Intercoolers and exhausts have a non-transferable lifetime warranty, but do not cover aesthetic defects that may appear over time. The replacement or repair of the products will depend on the decision of the manufacturer, who will be entitled to request proof or return for expertise of the items concerned. Return costs and third-party costs are not covered by the Alpha Competition warranty.