This is a discussion on catalytic converters within the General Help forums, part of the LSx Technical Help Section category; hey i have a 2001 trans am ws6, when i got her she had no cats and an x-pipe, ported ...
08-27-2007, 08:16 PM #1
hey i have a 2001 trans am ws6, when i got her she had no cats and an x-pipe, ported heads and dyno at 396 rhp and 383 lbs trq other than that dont really know what was done to the car, but i just put an high flow magnaflow cat and a y-pipe w/ flowmasters. the car is emissions legal now but i feels slower should i take off my cat and put long tube headers. i just want more horse power!!!!
Last edited by nate_the_great17; 08-28-2007 at 07:19 AM. Reason: personal reason
08-28-2007, 12:30 PM #2
The Magnaflow cat's shouldn't be hurting performance that much. I use them in my exhaust setup and have no complaints. Flowmaster is one of the worst mufflers out there as far as performance goes. Changing from true dual's to a single exhaust will also decrease your performance. I would go with some LT's and get a different Cat-back IMO. Leave cat's in there so it doesn't sound too raspy IMO2000 SS M6 New setup - LS2 402 w/a MS3 Cam and Ported 243's. Fast 92mm Intake, P.T.I. 92mm TB, Pacesetter LT's, Catted Y-pipe, MagnaFlow Cat-back, LS7 Clutch Kit, LCA's w/Relo Brakets, SFC, PHB, !egr, !a.i.r.
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