I have already wrote f.a.s.t. in the road grime on the frame just for the extra help. Even washed my filter in holy water.
08 SILVERADO RCSB 5.3L/4L60E 3.73 WITH G-80 IN THE REAR. NELSON PERFORMANCE 91 OCTANE PERF TUNE 14" MAGNAFLOW TURNED OUT BEFORE REAR AXLE. 2 RF T1 10" SUBS POWERED BY RF T3002 BEHIND THE SEATS. ALL SITTIN ON DALE JR 22"X9.5" TANKS WITH A BLACK CHROME