Thanks Guys.

Will be adding some stainlessWorks long tube headers and 3" true duals w/ X pipe in February. This Summer I will be installing some Raylar aluminum Heads and a supercharger cam.

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2003 8.1L 2500HD LT
Allison 5spd trany
4.10:1 posi rear
60lb Motrons
Corsa Cat Back
Whipple S/C'er @ 6.5psi
Whipple A2W Intercooler