Alpha Competition Decat Downpipes Audi RS4 B9 /RS5 B9
 
These stainless steel made Alpha Competition downpipes, in 3" / 76mm diameter, fit without modification between the turbos and the front pipes of the 2.9 TFSI engines fitted to the Audi RS4 B9 / RS5 B9 in order to remove the catalysts. Manufactured from high quality T304 stainless steel with handmade TIG welds, these downpipes will bring an average gain of 34hp on a stage 1 engine and a particularly aggressive sound. With a high flow structure and thermal insulation to reduce heat radiation by 50%, these downpipes clearly represent the best value for money on the market !
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Direct mounting
2-piece kit
100% T304 stainless steel
3" / 76mm pipes
Specific thermal insulation
Measured gain on stage 1 : 34hp
Aggressive sound
Handmade TIG welds
Assembly kit included
Lifetime warranty
- ECU calibration is mandatory -
AUDI RS4 B9 2.9 TFSI
AUDI RS5 B9 2.9 TFSI