This Alpha Competition decat downpipe made from high quality mandrel bent and TIG hand welded T304 stainless steel is a direct bolt on upgrade for the B58 engine of the BMW 240i G42 and 340i / 440i G2x OPF. With a high manufacturing quality, this downpipe coming with his installation kit is for sure the best bang for your bucks with an high flow structure and optional anti-thermal stainless steel heat shields designed to limit the spread of heat in the engine bay.
- Select your version -
Direct bolt on
Diameter : 4" / 100mm > 3" / 76mm
100% T304 grade stainless steel
Optional heat shield
TIG Welded
Aggressive tone
Lifetime warranty
| Brand | Model | Type | Version |
|---|---|---|---|
| BMW | 2 Series | Gxx - 20-... | 240i - 374 |
| BMW | 3 Series | Gxx - 19-... | 340i - 374 |
| BMW | 4 Series | Gxx- 19-... | 440i - 374 |
No reviews yet
*Write your comment here
This Alpha Competition decat downpipe made from high quality mandrel bent and TIG hand welded T304 stainless steel is a direct bolt on upgrade for the B58 engine of the BMW 240i G42 and 340i / 440i G2x OPF. With a high manufacturing quality, this downpipe coming with his installation kit is for sure the best bang for your bucks with an high flow structure and optional anti-thermal stainless steel heat shields designed to limit the spread of heat in the engine bay.
- Select your version -
Direct bolt on
Diameter : 4" / 100mm > 3" / 76mm
100% T304 grade stainless steel
Optional heat shield
TIG Welded
Aggressive tone
Lifetime warranty
| Brand | Model | Type | Version |
|---|---|---|---|
| BMW | 2 Series | Gxx - 20-... | 240i - 374 |
| BMW | 3 Series | Gxx - 19-... | 340i - 374 |
| BMW | 4 Series | Gxx- 19-... | 440i - 374 |
- 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.
Track Sticker Nurburgring / Spa / Estoril / Monaco / Lemans / Monza etc ...
No reviews yet
*Write your comment here
