i just installed a wet kit on my 98svt i changed my plugs and i am running a chip my superchips. also. should i get rid of the chip? confused what could be causing the back fire.

1998 SVT Silver
Superchips
Exhaust 4" tips
Short Throw shifter B&M
Nitrous Kit by NOS
rims by ATP wrapped in Toyos
and 10" audiobaun
hoodpins
coldair intake