GRAIL Valved Exhaust System | ECE | suitable for BMW M440i (G23 Cabriolet)

GRAIL Valve Exhaust System
suitable for BMW M440i G2x

The BMW M440i of the G2x series combines the elegance of the 4 Series with the power of the B58 straight-six engine. The GRAIL Valve Exhaust System underscores this sporting character with a precisely tuned, audibly dynamic sound profile and premium craftsmanship for all body variants.

Highlights

• B58 inline six-cylinder – the GRAIL Valve Exhaust System gives the turbocharged engine a lively, powerfully tuned sound character
• Vehicle-specific design for Coupé, Cabriolet and Gran Coupé – precise fit and acoustic fine-tuning for every body style
• 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.