Thats exactly what I love to hear from the turbo! I guess I will be getting a down pipe in the future

you have a downpipe already. its just not that great. you can get an aftermarket one with a 2.5-3" opening and it would be a lot better, dont go higher than 3" its not needed.

I knew I had a down pipe already, and that its restrictive, I meant I plan to purchase a bigger down pipe. What is the diameter of the stock down pipe.

2.25 i think

mine are 2.5 inch and you can hear the hiss rather well

i have magnaflow