stock 07 vs 08, then ELA muffler, Racecraft intercooler, Martin Filfe ECU reprogramming
Polaris FST turbo performance improvements on pump gas
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AmSnow/ DTR Shootout XX certification dyno test data and comparison
Rush, Etec, F6, Vector EFI, D8, XP800, F8, Apex, XF1000, Z1, Nytro, Cat SnoPro500
another DTR HP record Justin Durand’s Vmax4 custom turbo system
spring steel reed petals, no more signs of fiber reed breaking/ burning