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Cold start 5.3 no cats, long tubes, straight pipe.
2003 Silverado 6.0 swap. BTR 3 cam, speed engineering headers and y-pipe. no muffler. 3600 stall
2005 Silverado SS 6.0 with a BTR 3 cam, long tube headers and dumped exhaust at rear axle. 5/9 drop.
BTR Truck Norris Long Tube Headers and a Flowmaster
BTR Truck Norris cam , Speed engineering long tubes and ypipe , flowmaster .. 2005 yukon Xl .
Silverado SS long tubes straight pipe, little sound bouncing off the walls
Chevy 6.0 stage 3 cam
99-06 silverado corsa 14260 3" stainless cat back exhaust
2001 Silverado 4.8 with a BTR 2, CAI, TSP headers, y pipe and single mufller dumped. dyno/idle/revs
Cammed 6.0 3" exhaust
She got 3 speeds here,there,and gone🏎️💨 #silverado #crewcab #truck #cammed #chevy
03 Silverado SS,Speed Engineering Long tube headers, Y pipe, and 3 inch exhaust with a down pipe.
