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So is there such a thing? After I changed slip on mufflers from the Vance & Hines to the RC Componets I have noticed on heavy throttle from 4th into 5tf ill get a pop on occasion. My set up is Stage 2 cams PVCX , canned Craig B tune, decatted stock head pipe lloydz air intake and RCX slipons
 

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So is there such a thing? After I changed slip on mufflers from the Vance & Hines to the RC Componets I have noticed on heavy throttle from 4th into 5tf ill get a pop on occasion. My set up is Stage 2 cams PVCX , canned Craig B tune, decatted stock head pipe lloydz air intake and RCX slipons
I have a 15 RM and with the big bore kit and factory stage 2 exhaust and I have always experienced popping between shifts on moderately accelerating, it’s caused by cold air being drawn back into the hot system with just the right amount of unburdened fuel
 

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So is there such a thing? After I changed slip on mufflers from the Vance & Hines to the RC Componets I have noticed on heavy throttle from 4th into 5tf ill get a pop on occasion. My set up is Stage 2 cams PVCX , canned Craig B tune, decatted stock head pipe lloydz air intake and RCX slipons
Recently completed the stage 2 cams and have I/P stage 1 muffs, Wimmer A/C, PV3 also with canned FM/GraigB tune. I get an occasional decel pop, and will get a rare pop when when up shifting. Up shift pop is between gears when I change gears slowly, and as said it is rare.

One more good thing about the stage 2, I no longer get the annoying ting ting ting sound of the exhaust prior to full operating temp.
 

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I get popping sometimes, usually when I'm just floating on the throttle riding with slowish traffic. I've got AC and Stg1 pipes, 558 cams, PVCX with a CraigB tune.

I've not noticed it when changing up, but I've still got the original cat so that might make a difference.
 
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