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Browse our extensive online performance parts catalog, featuring high quality parts from top manufacturers in the aftermarket industry.
R35 Nissan GTR Performance Parts

R35 Nissan GTR

R32 Skyline GTR Performance Parts

R32 Skyline GTR

Scion FR-S/Subaru BRZ Performance Parts

Scion FR-S/Subaru BRZ

MK3 Ford Focus RS Performance Parts

MK3 Ford Focus RS

MK3 Ford Focus ST Performance Parts

MK3 Ford Focus ST

Mitsubishi Evo X Performance Parts

Mitsubishi Evo X

Mitsubishi Evo 8-9 Performance Parts

Mitsubishi Evo 8-9

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  • Scorpion Red Power - at Kaizen Tuning
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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....

  • Project Focus RS - Kaizen Tuning

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 is named an HKS Pro Dealer

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!