About Us

Xtreme Caliber Performance LTD is a small family owned and operated business based out of Vancouver Island, British Columbia. We are proud to serve excellent quality tuning, parts and aftermarket performance upgrades to all of Canada and the United States of America.

We work very closely with only the best in the business: AM Diesel Performance Tuning, S360 Wholesale Distributors, Polar Diesel, Dirty Diesel Customs, KC Turbos, Titan Turbos, Pusher Intakes, RCD Performance and many others!

We take great pride in providing premium post sale support for any comments, questions or concerns you may have before, during or after your purchase.

KC Turbos Podcast - Episode 7

Mitch (AMDP) and Giovanni (XCP) sat down with Charlie of KC TURBOS for a little 6.7L Powerstroke tuning talk in Phoenix, AZ.

See why we highly recommend AMDP Tuning for your aftermarket turbo set up!

Ratings & Reviews

Because we don't expect you to just take our word for it!

They have great customer service, always answer questions and they’re reasonable. Not to mention… Giovanni. It doesn’t get any better
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Rane - September 15, 2025
highly recommend this outfit came highly recommended they took care of my needs from start to finish on my 2019 f250. great support from there team! money well spent.
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Patrick - July 25, 2025
man, Giovanni and his staff really know what they are doing! I was having really bad 1-2 3-2 5-6 shifting really thought my transmission was gone he sent me some tunes and it’s not even been 48 hours and the truck is shifting like butter now!really saved me from thinking something else was wrong with my truck!!
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Jose - February 13, 2025
The best experience I could have imagined. Giovanni answer all my questions with detail and walked me thru the install when needed. Great price, great customer support. The support alone will keep me buying from XCP for all future diesel needs. Thanks Gio!!!
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Ross - January 23, 2025
Highly recommend Xtreme being from the US I was hesitant but their customer service is amazing they have been a HUGE help with getting all my tuning figured out!
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Haul Away - July 9, 2024
Very professional. Great customer service, and punctual. Walked me through a TCM relearn procedure and never hesitated to answer my questions. 5 stars and highly recommend.
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Joe - March 28, 2023