# the y pipe does not affect emissions at all nm

Posted by Alex (90 300zx) on September 08, 2004 at 06:22:47: In Reply to: well I didnt have a y-pipe posted by MrGone on September 08, 2004 at 02:27:51: : and I stalled my car getting on the rollers lol, but I passed with flying colors. : just do a tune up or make sure everything is in proper working order and you shouldn't have a problem. : : oh and a cat helps too ;) Replys: It can because it increases the airflow through the engine. if you have other problems, the Y pipe makes them worse. nm Matt (93SE) 06:24:07 9/08/2004 (10) eh thats debateable nm Alex (90 300zx) 08:03:16 9/08/2004 (9) been there, done that. seen the numbers myself. Y pipe is fine IF the rest of the engine is running good. nm Matt (93SE) 08:10:30 9/08/2004 (8) ok providing that.. Alex (90 300zx) 10:02:30 9/08/2004 (4) a couple of things.. Matt (93SE) 10:13:23 9/08/2004 (3) what about your o2 sensor? Alex (90 300zx) 10:18:01 9/08/2004 (2) it's working per the FSM, but that doesn't mean it's lagging. replaced 1.5 yrs ago. nm Matt (93SE) 11:12:02 9/08/2004 (1) I dont know how old my O2 is, but its from Jeffys old car ;) MrGone (92se) 12:06:19 9/08/2004 (0) I would say new cat vs old cat makes a bigger diff. Just my $0.02 n/m Jeff92se (92se) 09:18:02 9/08/2004 (2) Really? In what way? Aceleration? Vadim (93'GXE) 11:13:13 9/08/2004 (1) Clogged yes. But old vs newer, mostly emissions n/m Jeff92se (92se) 11:29:42 9/08/2004 (0)

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: : and I stalled my car getting on the rollers lol, but I passed with flying colors. : : just do a tune up or make sure everything is in proper working order and you shouldn't have a problem. : : : : oh and a cat helps too ;)