GRAIL Valved Exhaust System | ECE | suitable for Audi S4 (B9) Sedan

GRAIL Valve Exhaust System
suitable for Audi S4 B9 – Limousine

The Audi S4 B9, with its 3.0-litre TFSI V6 and quattro drivetrain, combines effortless everyday performance with distinctive sportiness. Our GRAIL Valve Exhaust System makes that character audible – adding a clear, punchy dynamic to the sound profile. Engineered to fit the S4 B9 with precision and the right materials, it meets the highest standards in both engineering and sound.

Highlights

• The 3.0-litre TFSI V6 with quattro drivetrain benefits from our Valve Exhaust System, delivering an audibly sporty and punchy sound profile.
• Precision-developed for the Avant and Saloon – the Tips sit exactly within the rear section and integrate seamlessly into the vehicle’s design.
• ECE type-approved – no registration required* in all participating ECE countries
• Crafted from high-quality 304L stainless steel
• CNC-machined precision parts – maximum durability and perfect dimensional accuracy
• Flow-optimized pipe routing – optimal exhaust flow and temperature stability
• Developed by German engineers – the highest precision in design and manufacturing

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.