any recamendation for flowmaster h-pipe catted

[Serge]

we have etest in my city and i wont be able to pass my etest with my bassani x-pipe. my car cam and tune for the bassani xpipe with the CO2 are delete just like to get some advise on this flowmaster if it better then the stock hpipe and wont loose that much power. DONT WHAT TOO LOOSE MY AMAZING RUMBLE....

 

[o4Mach1]

if your etest is just visual you can do what i did and weld fake catalytic converters into your x pipe