earljuic3
Adventurer
Did the pacemaker headers not replace the two "pre cats"? What improvements did you notice?
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Kyle, these replaced the factory manifolds and the cats bolt behind them..The most noticeable change is throttle response and at least the illusion that there is some extra access to torque when off road. The headers came with a "test pipe" I could have used to replace the cats but I opted not to do that. I want to put another 100k on this truck (personal attachment)
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