- Downpipe AUDI RS4 B9, RS5 B9
- 2,9 TFSI
- 2018-
- 450 bhp
- Quattro
- Inlet diameter - 114 mm
- Outlet diameter - 76 mm
- Possible options for configuring the kit are listed below.
Questions before you buy?
Get in touch with us — our specialists will guide you and help you choose the right part. We respond quickly and run our store with full reliability.
Catalyst HJS no. 90603154 intended for motorsport with FIA homologation with a flow rate of 100 CPSI.
Downpipe AUDI RS4, RS5 B9
Catalysts to choose:
- EURO 6 - Downpipe set with two HJS catalytic converters No. 90603180 meeting EURO 6 emission standard with 200 cpsi capacity, 108x83 mm.
- MS - Downpipe in set with two catalysts HJS nr. 90603103 meeting exhaust emission standard for the need of Motorsport with a capacity of 100 cpsi, dimensions 108x82 mm.
The AUDI RS4 B9, RS5 B9 downpipe has the following connections:
- two sockets for lambda probe
Every part of the AUDI RS4 B9, RS5 B9 downpipe has been CNC machined. Check also other downpipes from our offer.
Type of warranty: manufacturer's warranty.
Warranty period: 24 months.
The manufacturer's warranty means that in the event of a defect or malfunction, the product will be repaired or replaced by an authorized service center. In most cases, proof of purchase (receipt or invoice) is required.
To submit a warranty claim, please contact our store via the warranty claim form. The product must be sent back to us at your own expense. If the claim is approved, we will refund the shipping costs upon presentation of proof of payment.
If you have any questions regarding the warranty conditions or the status of your claim, please contact our customer service department.








