YotaTech Forums - View Single Post - 89 truck exhaust/cat

Did you up the size of the piping?

Removing the cat could cause loss of low end power but will free up the high end power. Its a trade off. I would recomend putting in a freeflow cat to see if that helps.

08-04-2007, 10:38 AM	#2 (permalink)
Jay351 Contributing Member Join Date: Feb 2007 Location: maple ridge, British Columbia, Canada Posts: 8,640	Did you up the size of the piping? Removing the cat could cause loss of low end power but will free up the high end power. Its a trade off. I would recomend putting in a freeflow cat to see if that helps. __________________ 91 Pickup - xcab - 5sp - 3.0 - SR5 - 4x4 - 250k \|2.25" catback w/ magnaflow cat + glasspack \| Weasy2k cams \| Aisin manual hubs \| Diff breather mod\| Marlin HD clutch \|3" BL \| es3000's \|2" AAL \|1.5" bj spacers \| ISR \| Alpine headunit \| 4" Infinity fronts/5" rears \| 4.88's \|Rear lockright \| 33x12.50" BFG M/T on 15x8" steelies \|Hella 500's \|4" reverse lights\| Grant GT \|idler arm brace\|hella E-codes\| Marlin armor \|SS IFS brace \| %100 Amsoil synthetic http://www.cardomain.com/ride/2572486