Longtube headers = no power???????

[Jim Vaccaro]

Originally posted by snakeluvr
dont know what you guys are saying i put my coated BBk long tubes on with off road h pipe and the bitch seemed to be a different car pulls much stronger now. my full exhaust car with the AR filter went faster than my two co worker with pulley swaps and catted x pipes and cat backs. i dont get it...

Dyno's and the Track can give different results..After a few changes My dyno shows more increase in TQE yet car pulls better up top...Go Figure

 

[moridin2004]

Where do the O2 sensor bungs sit on those long tubes?