Ego-X Catback Exhaust System - Audi S4, S5 B9 354HP (with ECE)

This EGO-X exhaust system for Audi S4 and S5 B9 models is handmade using the TIG welding process and consists of absorption silencers, without chambers. The pipe diameter is initially 2x 63.5 mm from the OEM Y-pipes to the rear silencers, 4x 63.5 mm at the tailpipe connection.

Technical Details:
- Pipe diameter: 2x 63,5 mm til endsilencer, then 4x 63,5 mm at the tailpipes
- Pipe material: stainless steel
- Absorption silencer: handmade in our company
- Catback
- TIG welded

Delivery:
- Catback exhaust system
- Cable material for connection to the on-board electronics
- Vacuum hose for connecting the Bull-X Tronic to the exhaust valve
- Tailpipe (optionally available)
- Assembly instructions
- Mounting material
- Bull-X Tronic control unit (When selecting the ECE variant)

ATTENTION! The offered exhaust system is not permitted in the area of the German road traffic licensing regulations! With the ECE Bull-X Tronic control unit and the EC catalytic converter you may legally use your vehicle in public road traffic. The use of all other controls and/or catalytic converters is only intended for racing purposes. If, despite our advice, you install an exhaust system WITHOUT ECE approval, you will be liable to prosecution. Imminent consequences can be, among other things: expiry of the operating licence, immobilisation of the vehicle, charges for tax evasion, as well as possible investigations by the environmental authorities.