[Trendy Exige]

Its not the exhaust note/sounds thats keeping me away from the PPE Headers. The only way I can use the PPE headers is if I get rid of my Arqray sport car. Since I am located in the Southern California, local police and state highway patrol men are harsh on cracking down vehicles without a catalytic converter. The Arqray Sport Cat looks more closely to a stock cat than any other cat thats applicable on the Lotus that bolts straight on.

As I mentioned earlier about the boosted 2.0 headers porting service, I find the performance gain to be trivial. Clearing out diameter of the primary pipes can only gain so much, and I don't believe it will gain as significantly its shown on the results it provided. To me its no different than boring out the chamber in my throttle body. Perhaps a little air flow, but not by much. Its not what I am looking for. But it may be for others.

Originally Posted by GTsRasta

If the exhaust sound/setup is what's keeping you away from the PPE race header and making optimum power out of your 2zz powered vehicle...then so be it. All I know is that Dave here changed out his exhaust to a different brand, and is running the PPE Race Header (SC version) with a 3.2" pulley and a standalone ECU tune, and is making 248 whp, without even touching water injection yet.

But if keeping your exhaust setup is what you want so bad, you can't beat the $155 Boosted2.0 stock ported header service. Why not go with proven gains? Are you even going to purchase a programmable ECU or get a custom reflash to take advantage of the larger primaries from the Trial/TRD/Non-existent shorty header you want?