I just got my engine rebuilt, and I'm going to remove the stock exhaust I've got on This TII I just picked up on the cheap. I'm going with a single GT35R to compliment my large streetport. All accompaning mods as well. But here's the silly part. I can't Figure out what's the best exhaust. If it was an FD Blitz Nur Spec all day. But part of me wants to keep the duals on the TII. So I thought I would come and seek help from you guys. Please post pics if you've got them . Also I'm not completely opposed to single exhaust. I"m shooting for 450+ on pump gas around 17psi. Thanks.

 

You won't make 450 RWHP on pump gas at 17 PSI on a GT35R. It does depend a bit on the hot side, but I recently tuned a car that made 380 RWHP on a 35R at the high side of 18 PSI. It was a pretty good tune but that was all I could squeeze out of it without more boost. Had a .84 hotside though and it was choking the engine a bit up top.

Now, as for the exhaust, you can't go wrong with the Racing Beat REV II system. You will need to make a custom downpipe no matter how you go.