I'm looking to make my new 400 as fast as it can get without any big mods/bucks. I've already put in a K & N; air box and filter in and am happy with the products. But i'm still looking forward to more power and and better sound affects. What seems to be the best exhausts on the market?

 

if u wants some nice pipes u should put the ltes to er

 

Full system or slip on?

 

i have a hmf slip on and it gave me huge power gains. but it is really loud!!!! its 103 db.. so if u have people that will complain this is not an exhaust for you cause it is REALLY LOUD