MaverickGrabber1972 Posted March 12, 2009 Report Share Posted March 12, 2009 99 suburban 5.7 vortec its 4wheel drive just looking to get the most towing and pulling power out of it .....llooks to have dual exhaust with the cats/ going to a dual inlet muffler with single outlet.....other then the k&n filter its stock Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted March 12, 2009 Report Share Posted March 12, 2009 getting the most power bang for buck 99 vortec 5.7 trade it in on a ford truck programmer, any after cat system and a filter charger kit. Quote Link to comment Share on other sites More sharing options...
KillJoy Posted March 12, 2009 Report Share Posted March 12, 2009 Intake, Tune, Dumps? How extreme you wanting to get? KillJoy Quote Link to comment Share on other sites More sharing options...
MaverickGrabber1972 Posted March 13, 2009 Author Report Share Posted March 13, 2009 well ford don't make a big suv anymore or it would of been ...parts for a excursions are not easy or cheap.. see them going down the road with no back glass .............don't want to drag race with it.....just get it to pull its best Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted March 13, 2009 Report Share Posted March 13, 2009 headers, cai, catless exhuast and a custom tune is about all you can do without opening up the motor Quote Link to comment Share on other sites More sharing options...
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