MBRP 4" Aluminum Downpipe - 6.4 Powerstroke
-Up to 10whp and 20wtq power gains
-Significantly EGT reduction
-Improve turbo efficiency and reliability
The factory downpipe on the 6.4 Powerstroke is small and crushed throughout, leading to imperfect airflow which creates restriction and causes higher exhaust backpressure. This acts against the turbochargers, adding additional stress, reducing spool, and causing them to run hotter making for higher EGTs.
Once you are tuned, or if you do a lot of heavy towing, it is important to upgrade the downpipe to a 4" system that maintains the full 4" diameter throughout the full pipe. This will significantly reduce backpressure which takes a lot of stress off the turbos, improving their efficiency and ultimately creating good power gains while also significantly reducing EGTs. Overall, this is one of the best performance upgrades for both power and overall engine health and reliability.
We recommend combining the downpipe upgrade with a 4" filter-back exhaust system for maximum performance benefit and temp reduction. Our full MBRP exhaust kit saves you money over buying the components separately. If you're just looking for the downpipe then look no further - MBRP's 4" downpipe is one of the best values on the market and even comes with a California-legal option.
6.4 Powerstroke Downpipe Upgrade Benefits
- -Up to 10whp and 20wtq gains, or more, with tuning
- -Reduce exhaust backpressure leading to better turbo efficiency
- -Decreased EGTs and lower engine temps improve health and reliability
- -Faster turbo spool and improved throttle response
- Item Requires Shipping
- Free Ground Shipping Within The Continental US
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