Below you will find the full product range that AmD offer the Audi S4. We are continually developing new and exciting products for the Audi S4 so please keep checking back regularly. Exhaust - Milltek Sport PRICE 2.7 V6 Full Stainless Steel DUAL Exhaust System (CAT back) £585.00 Supplied £699.00 Fitted 2.7 V6 Full Stainless Steel Exhaust System (CAT back) £415.00 Supplied £475.00 Fitted Stainless Steel Rear Box £257.00 Supplied £299.00 Fitted Stainless Steel Sport CAT's & Link Pipe £1140.00 Supplied £1500.00 Fitted 4.2 V8 Full Stainless Steel Exhaust System (CAT back) £597.00 Supplied £699.00 Fitted 4.2 V8 Sports CATs and Downpipe £1130.00 Supplied £1499.00 Fitted NOTE: All prices are + VAT @ 17.5% All prices are + fitting unless otherwise stated All power gains are approximate, actual gains will be accurately shown with dynoplot readouts       © AmD - All rights reserved