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Old 07-16-2007, 08:58 AM
Raul@Stealth Automotive Raul@Stealth Automotive is offline
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Quote:
Originally Posted by JJR View Post
I just put 4" exhaust on my truck this spring and pull a 10,000lb 5ver. It seems like the truck has less torque than it did pulling last year with the stock exhaust. Is it me or has anyone else noticed this? The truck makes more boost than it did before but just doesn't seem to have the lugging power it did before. There are no codes and the truck runs great. Could the difference be the new ULSD fuel?
what year is your truck?
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