ABOUT THE PRODUCT
Transform the sound and character of your BMW M8 with the Project Gamma Stainless Steel Valved Catback Exhaust System. Designed for the BMW M8’s twin-turbo V8 platform, this system delivers a deeper, more aggressive exhaust note while maintaining the refinement needed for comfortable daily driving.
Constructed from high-quality stainless steel, the exhaust is engineered for long-term durability, excellent resistance to heat and corrosion, and consistent performance in demanding street or track conditions. Its free-flowing design improves exhaust flow while providing a sharper, more engaging tone under acceleration.
A performance-focused X-pipe design helps balance exhaust pulses, enhance scavenging, and create a smoother, more exotic V8 sound throughout the RPM range.
Sound & Valve Control
This valved catback exhaust gives you the flexibility to control the personality of your M8.
Valves Open:
Enjoy a louder, deeper, and more aggressive V8 exhaust note with enhanced turbo sound, sharper downshifts, and an engaging motorsport-inspired character.
Valves Closed:
Maintain a quieter, more refined exhaust tone for daily driving, highway cruising, and longer trips.
The system is designed to work with the factory electronic exhaust valve operation for OEM-style functionality through the vehicle’s drive modes.
Fitment
- BMW M8 Convertible (F91)
- BMW M8 Coupe (F92)
- BMW M8 Gran Coupe (F93)
Features
- Premium stainless steel construction
- Valved catback exhaust design
- Performance X-pipe for improved exhaust flow and sound balance
- Deep, aggressive twin-turbo V8 exhaust tone
- Retains daily-drivable comfort when valves are closed
- Factory-style electronic valve operation
- Precision TIG-welded construction
- Direct-fit installation with no permanent modifications required
- Designed for durability, performance, and long-term corrosion resistance
When will my order ship?
If it’s in stock and the order is placed before 3pm, it ships the same day. If you ordered a product with ceramic coating, it will ship the following business day.
If the product or color spec you’re looking for is not in stock, you can join the waitlist by clicking the “email when available†button underneath the “out of stock†label. We will email you as soon as your product is available and give you an estimated back in stock time.
What if I submitted a custom order?
If you are making a custom order, email us to submit your request and we will give you an estimated delivery time based on the special manufacturing time.
What if my product arrives damaged, incorrect, or is missing parts?
If you received the incorrect product or color, missing parts, or the item is defective, email us a picture with your order number and you will receive a refund or exchange. Contact us at info@shopprojectgamma.comand we will work with you to make it right.
What if I’m not satisfied with the product?
If the product is unused and uninstalled, we can offer you a refund, exchange, or store credit. If the product was used or installed on your vehicle, we unfortunately cannot offer any refund, exchanges, or credit.
What if I installed my products and then I decide I don’t like them?
Unfortunately used or installed products will not qualify for a return or refund. If you have any questions or concerns you can email us at info@shopprojectgamma.com
A restocking fee of 20% of the original purchase price may be applied to returned products. This fee covers the costs associated with processing the return and restocking the item if applicable. Please refer to our policies page for more info regarding all exchanges and returns.
Have a question you don't see answered here? Email us at info@shopprojectgamma.com and we'll get back to you.