Yeah stock. Another option is getting the regular zx3 race header than you have to match all the rest of the exhaust components. But, the orp is just about the same as having the race header any way (i have the orp). It seems like the Borla was made to run with the orp
...SOUNDS GREAT with orp installed, nice power adder too!!
Personally I like the stock SVT tip. I never cared for the Borla. Most will never own a car long enough to justify the stainless steel. I WOULD like to see the Bassani when it is available. To date on aftermarket I would say I like the Magnaflow tip the best. Many of these tips hang out to damn far. My .02. jw
At the risk of drawing mass ilk, IMHO, a 4 cylinder will never sound "good", regardless of any exhaust/non-exhaust. It's simply a matter of how much less irritating you can make it, ie: more quiet. I'd gladly trade a few HP for some decent sound control. I haven't heard anything yet for the SVTF that impresses me. Until I do, I will live with the borderline obnoxious stock enhaust. As Madmax mentioned, at least the tip is in perfect placement, and nicely styled.
I dont think any one does. I dont know what they would do to improve on it. Only thing really to do is make a race header that does away with the cat, then again you could just get the orp if you were gonna do that.