Audi · S4 / S5
Audi S4 / S5 exhaust program
Stainless cat-backs, wrapped headers, OPF downpipes and Y-pipe sections for the S4 / S5 — B8 3.0T / 4.2 FSI and B9 3.0 TFSI. Jig-built, back-purged TIG, pressure tested.
Product catalog
Every Audi S4 / S5 system we build.
Cat-back / exhaust systems
Headers & front sections
Don't see your chassis? We develop from scans, drawings or samples — see OEM / ODM & sample builds.