aFe ATLAS 3 IN Steel Downpipe (49-03101) 15330 and sporty exhaust sound by

and sporty exhaust sound by replacing the factory catalytic converters with high-flowing 200-cell HJS Sport cats

High Pressure spring (included) supports 75-120 PSI base fuel pressure

This minimizes pressure drop and increases flow through the system far better than a multi-piece solutions

durable upgrade designed to reduce weight while enhancing style and aerodynamics

Special Comments: 8 Pad Set 2003 Audi A6 Quattro Engine: 4

aFe ATLAS 3 IN Steel Downpipe (49-03101) 15330 and sporty exhaust sound byEliminate the restrictive DPF and or Cat for better performance with the DPF Delete Pipe and Down Pipe Cat Delete Pipe. Factory type connections allow you to return to stock configuration when needed. Features: High quality OE style flanges are used for a complete 360 degree sealing surface Constructed of aluminized steel mandrel bent tubing for maximum flow OE style bayonet hangers are used to maintain a stable pipe location Uses factory mounting