GRAIL Valved Exhaust System | ECE | suitable for Audi S4/S5 B9/F5 | S4 8-speed tiptronic, Avant, 4-outlet Stainless Steel

GRAIL Valve Exhaust System
suitable for Audi S4/S5 (B9/F5) – (2016-2024) – S4 8-Gang tiptronic Avant 4-outlet Stainless Steel

The GRAIL valve exhaust system for the Audi S4/S5 of the B9/F5 series offers precision engineering for a powerful, variable V6 sound. Developed vehicle-specifically for all body styles and model years, it delivers maximum performance with the valve open and a compliant, restrained sound in closed mode.

Highlights

• Characterful V6 sound - sporty, present and suited to long distances
• ECE type-approved - no individual approval required in all ECE-recognising countries
• Developed by German engineers - the highest quality standards
• High-grade 304L stainless steel
• CNC-machined components - precise workmanship and an exact fit
• Vehicle-specific design - straightforward installation
• Flow-optimised pipe routing - ideal exhaust flow and a stable temperature balance

TÜV / ABE available upon request

We currently ship within Europe only.

If a part is not available, we will contact you with an estimated wait time.

If you wish to return a product after receiving it, we offer a 14-day returns policy. Custom-made products are not eligible for return, and return shipping is at the customer's expense. Full delivery and returns terms are on the “Delivery Information” page — the link is at the bottom of the page.

Products come with a warranty, detailed in a certificate included in the box.

To make a valid claim, you must prove the damage was not caused by you and that the warranty certificate is valid.

Full terms are on the “Terms & Conditions” page — the link is at the bottom of the page.