best exhausts for a valver?

[carthy16v]

what exhausts do you lot use?i have a ktec decat and a powerflow custom system from that,what you guys got?

 

[steve740]

I have a magnex with a decat. does the job for me!

 

[carthy16v]

mine sounds more crisp and sounds awesome when you lift off the throttle compared to my mates scorpion cat back system,mine back fires at 4-7k and spits little flames lol