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R35 Nissan GTR
R32 Skyline GTR
Scion FR-S/Subaru BRZ
MK3 Ford Focus RS
MK3 Ford Focus ST
Mitsubishi Evo X
Mitsubishi Evo 8-9
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Recent Posts
Project RS – Track Review
With less than 33 miles on the odometer, we headed to Thompson Motor Speedway in Thompson CT.
Project RS – ProTune Update
Kaizen Tuning has now unleashed some of the hidden powers....
Kaizen Tuning Project RS – First Reactions
The long waited Focus RS has now landed at Kaizen Tuning, we will soon unveil the secrets of what's hidden within....
Kaizen Tuning Starts Project RS
Boston-Area Tuner Launches Program to Uncover Performance Potential of Ford’s Newest Supercar, the Focus RS
Kaizen Tuning Named HKS Pro Dealer!
Kaizen Tuning becomes one of the nations only HKS Pro Dealers. From SSQVs to FCON iS ECUs and GR6 Transmission Kits, we have HKS products on the shelves, in stock, ready to ship!