High-performance blow-off valve for the Mercedes-AMG GLC63 M177 4.0L twin-turbo V8. Direct bolt-on replacement for the factory recirculating valve — delivers a sharp, aggressive blow-off sound every time you lift off the throttle while maintaining proper turbo spool and perfect daily drivability.
CNC-machined in-house from billet 6061-T6 aluminum for maximum durability under sustained boost pressure. The adjustable spring preload lets you fine-tune release sensitivity to match your build and boost level — whether you're running stock or Stage 3.
- Construction: CNC-machined billet 6061-T6 aluminum
- Fitment: Direct bolt-on — uses factory ports and mounting, no modifications
- Adjustable spring tension: Fine-tune release threshold to your boost level
- Venting: Atmospheric vent-to-air for signature turbo sound
- Sealing: Viton O-ring seals rated for high-temp boost conditions
- Compatibility: Works on stock ECU tunes and all aftermarket Stage 1–3 calibrations
- Appearance: Anodized finish with machined YPG logo
Ships worldwide. Sold by YPG Motorsport.
Frequently Asked Questions
How much does the Blow Off Valve GLC63 cost?
The Blow Off Valve GLC63 is $199.00 through YPG Motorsport with free worldwide shipping.
Do you ship worldwide?
Yes. YPG Motorsport offers free worldwide shipping on all products., UAE, USA, UK, Europe, Australia — we ship everywhere.
What is your return policy?
Contact YPG Motorsport directly for return and warranty information on this product.