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Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05
Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05

Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05

Milltek
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Ships from Supplier
Ships from Supplier
Ships from Supplier
Ships from Supplier
Ships from Supplier
Ships from Supplier
Ships from Supplier
SKU SSXAU873
$1,138.02 - $1,391.18
$1,238.59
$1,616.77
$1,486.23 - $1,815.79
$1,616.77
Resonated?: Non Resonated
Trims: GT-100 Cerakote Black
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

Milltek Cat Back Exhaust Audi S4 4.2 V8 Quattro B6 Saloon / Sedan‚ Avant‚ and Cabriolet 03-05

Our range of exhaust systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and/or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat-Back system will last through any harsh conditions.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 2 applications
Audi
Make Model Engine Years
Audi A4 3.0 V6 B6 quattro Saloon Avant & Cabriolet 2001–2005
Audi S4 4.2 V8 quattro B6 Saloon/Sedan, Avant, & Cabriolet 2003–2005

Fitment data last updated: 2026-08-21

Fits 2 vehicle applications Check vehicle fitment before ordering View fitment

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