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Affirm pay

Now you can Pay Over Time here with Affirm

SSi Performance has added Affirm payment options at checkout.   Need some extra time to pay for your custom tuning and programmers? No need to wait now. We have the solution for you here with the Affirm pay over time option at checkout.        

Austin 5.0

Austin W 2018 5.0 F150 runs his new personal best of [email protected] Time slip inside

Austin W 2018 5.0 F150 runs a new personal best of [email protected] Congrats to Austin for getting his first 11 second run and new personal best in his 2018 5.0 F150. His mods are cat back, intake, and suspension. He did 11s with only bolts on’s and our SSi Performance E50 Race tune. Well Done!

Dennis 10s

Dennis H runs a new [email protected] Personal Best in Bradenton FL with his 2019 5.0.

Dennis H drove from AZ to FL and runs a [email protected] New Personal Best in Bradenton. Update for Dennis H in Bradenton with his 2019 5.0 Mustang. He had issues with the Baer brakes sticking but got them working somewhat better yesterday late in the day. He only got a couple of runs in but clipped off a [email protected] This morning but they shut the track down for 1/8 mile racing. His 1/8 time this m…


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