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All About Exhaust Systems

90 messages,  Last post on Jun 17, 2009 at 1:11 PM

You are in the Maintenance & Repair Forum. Your Host is mr_shiftright

What is this discussion about? Exhaust, Diesel, Fuel Efficiency (MPG), Car Warranties, Coupe, Convertible, Hatchback, Truck, Sedan, Wagon, SUV, Van

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#51 of 90 Re: Dual exhaust for a 99 Taurus [spinner2] by explorerx4 Dec 05, 2006 (7:01 pm)
Replying to: spinner2 (Feb 02, 2006 3:32 pm) so it's almost a year for a reply, oh well. not sure of the year, but the hp of the duratec dropped from 200 to 185 when they went to the single exhaust. my '04 focus has abs and rear drum brakes. haven't really had to use it though.
#52 of 90 Free flow exhaust by mcb2 Feb 14, 2007 (8:34 am)
I have a subaru Legacy GT two stage twin turbo 2.0Lt 1994 model, i had the original exhaust pipe which i changed to a free flow pipe, after i did that i've notice the fuel consumption is so high and the mechanic told the car has now catalytic converter, what can i do? look for a catalytic converter or just change the pipe to another free flow pipe that does a little restriction of air? The performance is good as well as the sound. Plz help......
#53 of 90 Honda CRV catalytic converter problem - smell by margaret3 Feb 20, 2007 (5:31 am)
At least once a day when driving my 2006 Honda CRV, I get the strong rotten eggs smell that I associate with a catalytic converter problem. It last a couple of minutes.   The problem is, it is intermittent. I am afraid if I take it to the dealer, they will say "unable to duplicate the problem." Any suggestions? Replies to this message: Mr_Shiftright (Feb 20, 2007 8:45 am)
#54 of 90 Re: Honda CRV catalytic converter problem - smell [margaret3] by Mr_Shiftright HOST Feb 20, 2007 (8:45 am)
Replying to: margaret3 (Feb 20, 2007 5:31 am) Try a different brand of gas as an experiment. Also could be that on start up your engine is running a bit rich. Might need some adjustments.
#55 of 90 Re: emission dignostic check [sfields] by shoughun Mar 01, 2007 (9:38 pm)
Replying to: sfields (Sep 18, 2005 10:03 am) When I had the same problem with my VW exhaust I just made sure that it is still under warranty... Or else I have to pay for it... In your case, if it was tampered, you better look for a new one...
#57 of 90 Re: Why 3 catalytic converters on my avenger [avenger821] by 0patience Apr 04, 2007 (5:53 pm)
Replying to: avenger821 (Mar 24, 2006 3:20 pm) I was wondering y there are 3 cats on this car For emissions. and if i take the front 2 off will it be able to pass smog if the back cat is brand new. No, any alterations to the exhaust are illegal and any missing parts are an automatic fail. and does anyone know which one of the 3 fails the most. Usually the rear one. Replies to this message: paisan (Apr 27, 2007 8:48 am) 0patience (Apr 27, 2007 6:05 pm)
#58 of 90 if a cat is clogged by fbpatriot14 Apr 27, 2007 (8:42 am)
How can you tell if a cat is clogged? If a cat is clogged can it rob horse power and gas milelage?
#60 of 90 Re: Why 3 catalytic converters on my avenger [0patience] by paisan Apr 27, 2007 (8:48 am)
Replying to: 0patience (Apr 04, 2007 5:53 pm) No, any alterations to the exhaust are illegal and any missing parts are an automatic fail.   I'm not so sure about that. If you were to replace the cats with high-flowing cats that still allowed the vehicle to pass emissions and no CELs then it would not be illegal. You cannot remove them however if the emissions would increase due to it.   -mike Replies to this message: 0patience (Apr 27, 2007 6:05 pm)

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