My Dyno Graph after Header Install
With cool down saw 46rwhp gain with no tune. 40tq gain also
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The Best of Mercedes & AMG

E63 Biturbo, UPD Cold Air induction kit, UPD performance crank pulley and UPD adjustable rear suspension with ride height adjustment.
CL55 UPD Cold Air Boost kit, UPD 3000 stall converter, UPD 77mm SC clutched pulley and beltwrap kit, Custom long tubes, UPD crank pulley , UPD suspension kit, UPD SC pulley, Aux. HE, Trunk tank w/rule 2000 pump, Mezeire pump, UPD 5pc idler set, Aluminum rotor hats.
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i had a oem 82mm mb tb that i sold last week. i plan to upgrade to the 90mm










that's huge!
