Thread: need more torque from 5.3
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Old 05-08-2008, 07:37 PM   #2
chevy6490
5.3 power

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Re: need more torque from 5.3
Custom Tune?


99 Z71 5.3, Flowmaster Original 40 Series Exhaust, Skyjacker Hydro 7000's, Ford Keys, AAL's, 305/70 16 Nitto Terra Grapplers, 03 fleetside bed swap, Line-X, Back Rack, and CB with PA system.
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