I am looking for either a cat-back exhaust or the HKS muffler. I really want to hear what they sound like though. I Don't want to sound ricey. I want a nice deep throaty exhaust sound + a gain in hp. Which exhaust should I get? Does the Greddy cat-back produce more hp gains than the HKS muffler?

Thanks,
Daniel

 

i thought someone did before, try doing a search on HKS exhaust