Thorley vs OBX
#1
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Thorley vs OBX
I have a completely stock Silverado right now, but I'm looking into headers and all your other basic bolt-ons. My goal is to increase my low end performance but also I do not want to lose any top end. Are the Thorleys gonna make me happy with all the low end they are supposed to give me. Or should I just go with the OBX set up. There are many other options out there too obviously. Any info is greatly appreciated THANKS!
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azspeed-marine claims they produced 22hp and 25ft lbs on a stock 5.3. I dont really think thats possible but its right on there website. They also are almost $800 headers gaskets and bolts, no y-pipe...... any help out there?
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I hear the obx dont fit well at all....but I havent owned a set...Im gunna go with pacesetters soon
I would like to have a set of OBX but Im scared they wont fit worth a damn
I would like to have a set of OBX but Im scared they wont fit worth a damn
Last edited by GmOnEy Z71; 10-16-2008 at 10:26 PM.
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I just can't understand why all you guys like them pacesetter headers soo much. Yes they dump the exhaust better then the factory manifolds, but there are other headers out there that are so much better in terms of quality. I dunno what to do.............
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if you want to keep your low end power, go with the Thorley's. sure pacesetters, or any long tube header for that matter, give you great gains in the mid-to-high rpm, but i found you do lose some power down low. i have heard nothing but good things from people that own Thorley's.