Karl – My 1299cc Hayabusa – thanks for re-building and increasing its capacity to 1397cc – its fantastic and congratulations on your workshops...
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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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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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Hi Karl, Just a quick note to say my engine feels fantastic after your rebuild, great power low down and incredibly drivable! First event at Doune...
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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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