Uploaded October 2022 | Updated September 2026, 3 days ago

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Yamaha YFZ450R Big 3 Engine Upgrades, Dasa Exhaust, Fuel Customs Intake and PEP Reflashed ECU Test. For this Yamaha YFZ450R Big-3 Test, we’re pairing up a Dasa Racing exhaust, Fuel Customs intake and a PEP Tuning ECU reflash in search getting the most performance possible out of the YFZ450R as simply as possible.

Rid of restrictions, free flowing and fine-tuned Yamaha’s YFZ450R delivers an easily detectable increase in performance and fun. Working with well-respected aftermarket company’s products that admittedly play well together, we we’re confident in running the Fuel Customs intake, Dasas Racing exhaust and PEP reflashed ECU together and are very impressed with the results.

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