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Senior Member
Join Date: Jan 2002
Location: Williston, ND
Posts: 2,999
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Re: How do I make the truck loud???
i'll admit it, I'm one of those z-71 straight pipe owners. loud on your gmc could be accomplished by something such as manifolds with straight pipes and 90 degree angles behind the tires(I have heard it, and it's LOUD!!). straight pipes under the bumper is loud, but not as loud. headers and straight pipes will be loud, too. Just remember, if you put a 45 or 90 degree angle or something at the tips, it WILL make it louder than just straight out the back. the 90 degree angle will be the loudest. if you want really, really loud, put an s-curve in the pipes. hope it helps
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68 Chevy CST/10, 50th Anniversary, 327/th400, 373 posi, buckets
68 GMC Shortbox Stepside, 402/th400, Tilt, Tach, Bucket Seats, 3.08 Positraction
69 Chevy Camaro SS, 383, 4 speed, positraction
70 Chevy El Camino SS396, Triple Black, 454/th400, Tach
70 Chevy Shortbox Stepside 4x4, 350/th350, Tilt, Tach, Cab Lights, Bumper Guards, Tow Hooks
70 Chevy 3/4 Longbox, 350/auto, 70k, SURVIVOR
71 Chevy Blazer, CST, 350/auto
71 GMC Sierra K2500, 454, 4 speed, 4.10 posi, 37s
71 Custom/30, Open Road, 350/th400, tilt
72 Chevy Shortbox Fleetside, 496 Stroker/th400, Tilt, Tach, Bucket Seats, 3.42 Posi
72 GMC Sierra Grande 2500. 427/th400, tilt, a/c, tool and stowage, buckets/console, 3.54 posi
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