These 2.5" / 63mm diameter Alpha Competition decat downpipes fit without any modifications onto the exhaust manifolds of the BMW M3 E9x to eliminate all catalytic converters. Made from high-quality T304 stainless steel with hand-made TIG welds, these downpipes provide an average gain of 9hp on a stock engine and a particularly aggressive exhaust tone. Featuring a high-flow structure and a stunning finish, these downpipes clearly offer the best value for money on the market!
-
Direct mounting
Kit of 2 downpipes
100% T304 stainless steel
2.5" / 63mm pipework
Measured gain : 9hp
Aggressive exhaust tone
Hand-made TIG welds
Lifetime warranty
- This product is compatible with all these cars -
These 2.5" / 63mm diameter Alpha Competition decat downpipes fit without any modifications onto the exhaust manifolds of the BMW M3 E9x to eliminate all catalytic converters. Made from high-quality T304 stainless steel with hand-made TIG welds, these downpipes provide an average gain of 9hp on a stock engine and a particularly aggressive exhaust tone. Featuring a high-flow structure and a stunning finish, these downpipes clearly offer the best value for money on the market!
-
Direct mounting
Kit of 2 downpipes
100% T304 stainless steel
2.5" / 63mm pipework
Measured gain : 9hp
Aggressive exhaust tone
Hand-made TIG welds
Lifetime warranty
- This product is compatible with all these cars -
Brand
Model
Type
Version
- Except special mention indicated on the product description -
BMW
3 Series
E9x - 06-13
M3 - 420
- 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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