ABOUT THE PRODUCT
Unlock the full performance potential of your BMW M5 or M8 (F90/F91/F92/F93) with Project Gamma’s complete downpipe, intake, and ECU tuning package. Designed for serious performance gains, our high-flow downpipes are paired with premium silicone intake systems and your choice of Bootmod3 or MHD ECU tuning — giving you the flexibility to tune your vehicle on the platform you prefer for maximum results.
This all-in-one performance bundle is engineered to improve exhaust flow, increase airflow, and unleash significant horsepower and torque gains — all while adding aggressive induction sound and a clean engine-bay aesthetic.
Package Highlights
🔥 Project Gamma High-Flow Downpipes
Project Gamma downpipes for the M5 and M8 models feature a high-flow 3” construction with precision CNC-machined stainless steel v-band transitions for optimal exhaust flow. Unlike competitors that constrict near the turbos, our downpipes maintain a full 3D diameter throughout for maximum flow and performance gains when tuned.
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Handcrafted from 304 stainless steel
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Designed for tuning and performance builds
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Gains up to ~50+ HP and ~60+ lb-ft torque with proper calibration
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Improved turbo response, reduced lag, and enhanced sound
🌀 Project Gamma Silicone Intake System & Filters
Our intake system is engineered using 4-layer reinforced silicone with an oil-resistant inner lining and precision aluminum connectors that ensure improved airflow and durability. The larger internal diameter and smooth airflow path deliver:
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Increased horsepower and response
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Faster turbo spool
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Enhanced throttle feel and acceleration
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Aggressive induction sound and OEM-plus fitment
The reinforced silicone construction also prevents collapsing under high boost pressures and high-flow filter setups.
Note: Please select your preferred intake color and filter color at checkout.
⚙️ ECU Tuning Options (Choose at Checkout)
Take full advantage of your new hardware by selecting one of the supported ECU tuning platforms:
✔ Bootmod3
✔ MHD
Both platforms allow for professional calibrations that unlock performance while ensuring smooth power delivery and reliability. You will need an ENET cable and a compatible device to flash your vehicle — email us with any questions regarding cable compatibility.
🔧 Stage 2 Recommendation:
2-step colder spark plugs gapped to 0.22 are recommended for Stage 2 applications.
🛠 Fitment & Installation
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Designed specifically for BMW M5 & M8 (F90/F91/F92/F93) platforms
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Plug-and-play install with no cutting or permanent modifications
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Professional or experienced DIY installation recommended
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Includes all required hardware for fitment
🔥 Ceramic Coating Option
The product images may show ceramic-coated downpipes. For added engine bay protection and reduced heat soak, please select the Ceramic Coating add-on before checkout — otherwise, the downpipes will ship with a polished finish.
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.
