get the HKS replica exhaust with megaflow mufflers cost maybe 500-600 depending where you live and who installs it for you.

Yes its a rep but some of my friends have it, its sound DAMM good and is a good bang for your buck


However if you can up your budget to 1000, you can look into invidia, top speed, real his, etch on the used market place

 

i say keep checking the market place...i bought a fast intentions exhaust from a member on here for 500-600$ and i love it...brand new the exhaust is like 1500 or so... soo theres awesome deals on here just keep ur eye out for them