The Boise Muffler Gold Cup Series presented by NAPA Auto Parts continues on Sunday, Sept. 14, 2025, tied in conjunction with the 24th annual Les Schwab Tires Fall Best of Detroit race presented by Kidd Performance & Dyno.
Gold Cup racing will be contested in Super Pro, Pro, Pro Comp, Sled/Bike, Sportsman, Jr. Dragster, and Jr. Street.
Racers will also have an opportunity to run in the Chevy Cup, Ford Cup, B.O.P Cup and Mopar Cup. The overall Detroit winners will square off a runoff to decide the ultimate four-way champion.
This year’s race will also include the final stop in the three-race Snake River Speed Shop/Free Form Motorsports Idaho Small Tire Series (click on link for more details).
Additionally, a show `n shine will also be offered for all Detroit brands in the upper pit area.
Defending Fall Best of Detroit champions include:
- Super Pro
Dan Lafferty - Pro
Tyler Rush - Sled/Bike
Scott Grondahl - Sportsman
Nate Stansberry - Pro Comp
Dave Horton - Jr. Dragster
Journey Morell - King of the Fall Detroit Runoff, Chevy Cup
Albert Molinari, Chevrolet - Mopar Cup
Lynn Johnston - B.O.P. Cup
Dean Edmonson - Ford Cup
Steve Pyburn - Jr. Street
Bentli Anderson
SPORTSMAN RACER TECH CARD
(Fill-In and Printable Tech Card link)
TECH CARD: As a convenience to both you and Firebird’s tech team, please completely fill out the .pdf form on your computer (click on hyperlink above, both sides) and print. Please bring printed copy to this event to expedite the inspection process.
In the event of inclement weather, updates will be available on this site and on our Facebook page.
For more event information, email: [email protected]