Hi Karl Just a quick note t0 let you know my engine feels very smooth, sharp and quick, looking forward to getting on track, thanks again for a...
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Hi Karl, Cheers for all the great info and work, the Busa pulls fantastic ! smooth as silk. Have taken note on all your tips and will keep to them....
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A big thanks to you Karl who made it possible to send us an engine that fast. We’re very happy that there are people out there like you who are...
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I’ve made a few purchases from Extreme Engines. Each time I’m amazed by the quality of the products an the customer service before and after my...
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Thanks again karl for supplying such an awesome engine . i never imagined we would get the results that we managed this year . 1st in class & no5...
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