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2017 silverado 5.3l
The backfire was only at higher rpms above 4000 when it was warm out. Now that it is colder the truck is hesitating on acceleration. Things i have done to the truck are a new magnaflow muffler a volant cold air intake with dry filter i had a diablosport predator tune on it and it does it with...- 2017silverado
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- Category: Chevy Trucks