VCTR Performance Audi S4/S5 B8/8.5 Catless Downpipe Kit

Overview

The factory downpipe on the B8/B8.5 S4/S5 3.0T carries a restrictive pre-catalyst at the front of the exhaust system. This catless downpipe removes that restriction entirely — opening up the exhaust path and giving the supercharged V6 a sharper, more immediate response under load.

Why Upgrade?

• Removes the primary restriction in the factory exhaust path
• Sharper supercharger response under load
• More defined exhaust character on tuned applications
• Stainless steel construction for longevity
• Stronger foundation for further tuning

Built for the Drive, Not Just the Dyno

The B8/B8.5's supercharged V6 doesn't rely on spool the way a turbo does, but exhaust restriction still costs it — every bit of back pressure removed from the front pipe shows up as a sharper, more immediate response under load. This is the foundation piece for everything that follows on a tuned build.

Fitment

Compatible with:

• Audi S4 B8/B8.5 3.0T
• Audi S5 B8/B8.5 3.0T

Note: verify your specific model, year and build variant before ordering, or message us your rego/VIN and we'll confirm it for you.

What's Included

• Catless downpipe assembly
• Supplied installation hardware

Shipping & Fit

• Confirmed fitment by chassis and engine code before you buy, not after
• Worldwide shipping, cost calculated at checkout for your destination
• Australian Consumer Law returns on all unused, unfitted parts
• Questions about your specific build? Message us — real people, real platform knowledge

Delivery & Support

Your order is carefully inspected before dispatch and backed by VCTR Performance support. For product availability, shipping estimates or fitment assistance, contact our team.