GRAIL Valved Exhaust System | ECE | suitable for BMW 335i E9x (N54) | Convertible (E93), rear-wheel drive

GRAIL Valve Exhaust System
suitable for BMW 335i E9x (N54) – Convertible (E93), Heckantrieb

Briefly explained #1

Briefly explained #2

The BMW 335i with its legendary N54 engine stands for performance and a characterful sound. This is exactly where the GRAIL Valve Exhaust System comes in: it gives the powerful inline-six biturbo an acoustic character that stirs the emotions while remaining ECE-compliant in every situation.

Highlights

• ECE type-approved – no registration required* in all participating ECE countries
• Distinctive N54 sound – sporty, powerful, unmistakable
• Installation-friendly design for quick fitting
• Premium 304L stainless steel – durable, temperature- and corrosion-resistant
• Model-dependent Valve integration – OEM Valve or custom solution – always perfectly tuned and fully compliant
• Flow-optimized pipe routing – for optimal exhaust flow and stable temperature conditions
• CNC-machined components – robust, precise and perfectly fitted
• Acoustically tuned silencer chambers – a throaty sound without drone or disruptive frequencies
• Developed in Germany – to the highest standards of engineering and sound quality

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.