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Dyno Gains on the 2025 test mule

92 Pump Gas headers, SB intake gains

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Social Media and Videos

2025 NA Stock Tuning

See my test mule get put through the paces for the tunes I build for my customers.

Added in Velocity Performance Headers!

I beat up my test subject so we don't have to beat up your car getting it to work it's best!

Customers Watch this to install the TDN App

You purchased a RTD4 from me and now you want to see the process to get your tune files to me.

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Contact

Fuel, Fuel Delivery, Dyno, Tuning, hit me up with what you need!

Smith Speed Motorsports

4915 South Ben Franklin Lane, Suite 12,Spokane, Washington 99224, United States

425-442-2765

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