Buildingthe ultimatetrack car?

Building
the ultimate
track car?

Turn In Concepts can bring it to life
Want the ultimate daily driver?

Want
the ultimate
daily driver?

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Johnson Tuning

A critical component of any performance related build is proper calibration. Turn In Concepts partners with Johnson Tuning for world class tuning and calibration.

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Race Prep

Since 2005, Turn In Concepts has built and campaigned several winning Time Attack Cars across Redline Time Attack, Global Time Attack and more recently, Gridlife.

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Automotive Maintenance & Performance

While we got our start working on Subarus, today we work on most modern performance inspired cars. We work on everything from Corvette to Tesla, Supra to Lotus, Miata, AMG, BMW, Porsche and more.

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New & Recommended Products

Our team has been part of the US motorsports scene for over 18 years

Turn in Concepts has spent nearly two decades listening, learning and iterating, honing their craft and becoming revered experts in their field, known for their innovation, transparency and efficiency. They take great pride in every car that they build. This translates into precisely dialed-in race cars that are safe, reliable, beautiful and fast.

We are winners

Our team is active and winning in the Champcar Endurance series and Gridlife. We have also built winning cars for specialized events like Pikes Peak and One Lap of America.

We are professionals

We specialize in engine and suspension design and maintenance for track-ready Subarus, Teslas and other modern performance-oriented platforms.

We are experience makers

We've campaigned cars across Redline Time Attack, Gridlife, International Hill Climb, 25 Hours of Thunderhill Endurance, and the One Lap of America.

We are enthusiasts

Founded in 2005, Turn In Concepts is a premier automotive performance shop in Cincinnati, Ohio, created by enthusiasts for enthusiasts.

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See why people trust Turn In Concepts

15 Team Members
50 Years Combined Experience
100 Podium Finishes
20,000 Satisfied Customers
Travis Bayham

Verified Customer

I've been working with Clint on my Subaru STI build and he has been extremely helpful on helping me building my engine. Everyone knows their stuff here and highly recommend them to anybody for a performance need. I wouldn't go anywhere else and can't wait 4 my next build after this one.
Travis Bayham

Verified Customer

I've been working with Clint on my Subaru STI build and he has been extremely helpful on helping me building my engine. Everyone knows their stuff here and highly recommend them to anybody for a performance need. I wouldn't go anywhere else and can't wait 4 my next build after this one.
Sunshine

Verified Customer

Absolutely amazing! For someone who had trouble articulating exactly what I needed on my 2021 WRX limited they offered great options and explanations without being pushy. Will definitely come back for next stage
Sunny V.

Verified Customer

Did an amazing job and helped me out with my lifter and manifold problems when everyone else was too scared to try due to the age of the engine and rusty old bolts. They even fit me in and completed the work during the holidays! I trust them with all my engine and performance work.
Ben Peterson

Verified Customer

These guys are the absolute best! Clint and Tony both helped me out immensely with some issues I had with my b25 cylinder heads. They also build kickass shortblocks for Subarus. I just wish they were local to me. Still won't hesitate to do business with them again in spite of being across the country from them!! Thanks guys!
Trevor Chitwood

Verified Customer

One of the best shops I’ve been too. Professional, reliable, and very knowledgeable staff that answered any questions I had. Tuned my stock motor 06 Wrx and put up 413hp. Couldn’t be happier!

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