GRAIL Valved Exhaust System | ECE | suitable for BMW M3 (E93 Cabriolet)

GRAIL Valve Exhaust System
suitable for BMW M3 E9x

The GRAIL Valve Exhaust System is vehicle-specifically tuned for the S65 V8 of the M3 E9x. It complements the high-rev concept with an audibly present sound character – load-dependently controlled, without drone. The valve function operates automatically and within legal requirements (ECE-compliant). The Tip geometry follows the stock look.

The GRAIL Valve Exhaust System is vehicle-specifically tuned for the S65 V8 of the M3 E9x. It complements the high-rev concept with an audibly present sound character – load-dependently controlled, without drone. The valve function operates automatically and within legal requirements (ECE-compliant). The Tip geometry follows the stock look.

Highlights

• V8 sound with a clear, rev-dependent tonal progression
• OEM fit Tip integration – no visual modifications required
• ECE type-approved* – no registration required in all participating ECE countries
• Developed by German engineers – for the highest precision and quality
• Premium 304L stainless steel
• CNC-machined components – maximum durability and function
• Vehicle-specific fitment – precision-fit and thoughtfully engineered
• Flow-optimized pipe routing – for optimal exhaust flow and thermal stability
• Model-dependent Valve integration: OEM Valve or custom solution – always optimally tuned and legally compliant

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.