Whipple with O/R H or Keep it catted?
#1
Whipple with O/R H or Keep it catted?
Anybody know if the Whipple HO kit will produce better numbers with the O/R H Pipe or the Stock Catted H?
Does the Whipple perform better with or without the back pressure?
This is for a 07 Mustang GT.
Whipple installation countdown - T Minus 5 days.
Thanks,
ApexStang
Does the Whipple perform better with or without the back pressure?
This is for a 07 Mustang GT.
Whipple installation countdown - T Minus 5 days.
Thanks,
ApexStang
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