I bought a Borla from www.hopupracing.com for $600 shipped. Seemed like the best value to me. Can't speak for fit yet as it's backordered for another 2 weeks. I'll take pics and all when it finally comes in.

 

Whats the most HP gains people are geting out of there exhaust

 

Has anyone ever heard of the HKS turbo exhaust also if i was to buy an exhaust without a downpipe would i be able to put a downpipe of a diffrent brand onto the catback thanks

 

Yes

 

I have an APR Exhaust, nice suttle and clean look. Sounds Amazing. 2.5" for good gains (I've heard that 3" can cause bad low end)

Though APR is pretty spendy between 750-850$ for parts. Mine came with the car so I cant complain.

I believe Borla is 2.25"
APR is 2.5"
Milltek is 2.75" i believe.

The bigger the tube the less back pressure and more sound. But with that you lose power till the turbo spools.
But If i've read/heard right your turbo will spool faster will less backpressure....

Some people get a 3inch Test with a VES Dump vavle, and stock exhaust back. More of a sleeper.....

So I have rambled to long and must go now....

 

youre right, the 3" may cause loss of low end power on the smaller turbo, but ive seen k04 with 3" and the bigger turbo can handle it. did anyone with the millitek experience any low end power loss, seeing as its 2.75"?

 

Borla's 2.5" now ... at least that's what it said when I ordered it. STILL haven't received it so I don't know for sure.

 

the milltek isnt louder than all those, its actually quieter. thier whole philosophy is subtle sound