Manufactured from high-quality T304 stainless steel with hand-finished TIG welds, these Alpha Competition 3.5" / 90mm decat downpipes fit without modification between the turbochargers and the front exhaust pipes housing the gasoline particulate filters on the BMW M5 G90 and M5 Touring G99. Designed to remove the factory primary and secondary catalytic converters, they provide a power gain of approximately 55hp on a stage 1 tuned vehicle while delivering a more aggressive exhaust sound to the S68 engine. Offering one of the best quality, price and performance ratios on the market, these downpipes feature a high-flow design and stainless-steel thermal insulation, reducing radiant heat by up to 50%.
-
Direct fit
Set of 2 downpipes
High-quality T304 stainless steel
3.5" / 90mm pipework
Stainless-steel thermal insulation
Measured gain on stage 1 tuned engine : 55hp
Aggressive exhaust sound
Hand-finished TIG welds
Installation hardware included
Lifetime warranty
- This product is compatible with all these cars -
Manufactured from high-quality T304 stainless steel with hand-finished TIG welds, these Alpha Competition 3.5" / 90mm decat downpipes fit without modification between the turbochargers and the front exhaust pipes housing the gasoline particulate filters on the BMW M5 G90 and M5 Touring G99. Designed to remove the factory primary and secondary catalytic converters, they provide a power gain of approximately 55hp on a stage 1 tuned vehicle while delivering a more aggressive exhaust sound to the S68 engine. Offering one of the best quality, price and performance ratios on the market, these downpipes feature a high-flow design and stainless-steel thermal insulation, reducing radiant heat by up to 50%.
-
Direct fit
Set of 2 downpipes
High-quality T304 stainless steel
3.5" / 90mm pipework
Stainless-steel thermal insulation
Measured gain on stage 1 tuned engine : 55hp
Aggressive exhaust sound
Hand-finished TIG welds
Installation hardware included
Lifetime warranty
- This product is compatible with all these cars -
Brand
Model
Type
Version
- Except special mention indicated on the product description -
BMW
5 Series
G9x - 24-...
M5 - 727
- 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.
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.
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