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#12: 03-09-2011, 12:42 PM
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Location: McLean VA
Car: 08 QSM LGT
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Originally Posted by TRSCobra View Post
The answer is "yes" on all accounts.

Because I own the GT model of this car, any of my input, whether it makes any sense or not, is invalid...

It is the same as if I said 2.5i mufflers are inefficient for the 05+ LGT I have no proof or have never tested it myself or any other person for that matter.

You can't tell me something is "inefficient" when the comparison is EJ55 to EJ253.

Also the stock manifold isn't phased tuned like a true EL, think TWE Long Tube EL header, I imagine only a handful are developed to such an extent, even for the turbo crowd. The stocker is a UEL ranging from 18 " to 27 primaries, and perpendicular bends with small radii. From what I know abotu proper scavenging, the stock unit ain't getting it done.