v6 muscle

i'm really looking into dual exhausts for my 06 v6 manual but i have no idea who to get it from, magnaflow, flowmaster, corsa, bassani, bash??? can i get some help here ooo and do Cold air intakes void the powertrain warranty???

Fizzie06

I have flowmaster 40's with an fabricated h pipe I i love the sound of it ...there are some sound clips at the top of the 4.0 page to listen to it all depends on what your wanting you car to sound like...