Johanna Testimonial - Dusterhoff Racing
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Johanna Testimonial

“20,000 miles and a year and a half since I modded my Hellcat Redeye Challenger and had Curt remotely tune it with his Flex package. The car runs great and drives regularly on both the street and strip, with recent maintenance including oil changes and new spark plugs. Besides the great tune, I’d always recommend Curt’s business if solely for how helpful he has been and the quick response time always thru email. Dusterhoff Racing is a great company, and happy I chose them to tune my car. Thanks for sending my lady the sticker recently, Curt 😂.”