Audi S Models S4 B8 (10-15) V6 3.0T » Cat Back/Systems
Sound levels from quietest to loudest:
AWE Tuning exhaust with AWE Tuning resonated downpipes (highly recommended for all S-tronic S4s)
AWE Tuning exhaust with factory downpipes
AWE Tuning exhaust with AWE Tuning non-resonated...
SKU: AWEB8S4EXHAUST
$1,699.00
Reduce engine movement with these heavy duty motor mounts.
$224.95
Replacement BBS valve stem cap.
Sold separately.
$5.25
