Milltek catalyst bypass pipe, Audi S4 B6/B7, Racing / Decat

Milltek catalyst bypass pipe, Audi S4 B6/B7

A model-specific catalyst section that replaces the corresponding original exhaust section. This version has no catalytic converter.

• Pipe size: 63.5 mm.
• Stainless steel construction.

Requires a Stage 2 ECU remap.

Manual-transmission vehicles only.

Connects to a Milltek cat-back exhaust.

Versions without a catalytic converter or E approval are not approved for road use. Always check the local regulations for your vehicle before purchasing.

Included items

Fitment

Audi S4 4.2 V8 quattro B6 Saloon/Sedan, Avant, & Cabriolet (2003–2005)
Audi S4 4.2 V8 quattro B7 Saloon/Sedan, Avant, & Cabriolet (2004–2009)

Related part numbers: Milltek SSXAU289.