exhaust help on my 90 1.5 DX hatch
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exhaust help on my 90 1.5 DX hatch
i recently bought a custom exhaust from a guy parting his hatch out. in the deal, i got:
-DC headers
-downpipe (or whatever its called that is between the cat and headers)
-the pipe that is between the cat and muffler
-aftermarket muffler
so in short, i got everything but the cat. i measured the diameter on the pipes and it appears to be a 2" system. i'm assuming my stock cat will not work and would like to know what you guys recommend for me in that department. this is strictly an autocross car that is being built for the STC class so i'm not expecting to be putting out a ton of power. basically will eventually be built and maxed out for that class...again not putting out a ton of power or anything.
should i go catless? (i will have no problem passing inspection because i'm emissions exempt and i work for a dealer that will look the other way during the visual inspection). or should i go with a high flow cat or a stock spec 2" cat?
my other concern is where do i find the header gaskets and pipe couplers that will fit and join it all together?
i'm used to going to advance auto, telling them i need all the stock hardware for a stock exhaust and throwing it on in the driveway. with this custom system thats 2" opposed to the stock diameter has me a bit thrown off and over thinking things
anyone have any tips? attached is some pics of the pipe ends to see what kind of gaskets i will need.
thank you!
-DC headers
-downpipe (or whatever its called that is between the cat and headers)
-the pipe that is between the cat and muffler
-aftermarket muffler
so in short, i got everything but the cat. i measured the diameter on the pipes and it appears to be a 2" system. i'm assuming my stock cat will not work and would like to know what you guys recommend for me in that department. this is strictly an autocross car that is being built for the STC class so i'm not expecting to be putting out a ton of power. basically will eventually be built and maxed out for that class...again not putting out a ton of power or anything.
should i go catless? (i will have no problem passing inspection because i'm emissions exempt and i work for a dealer that will look the other way during the visual inspection). or should i go with a high flow cat or a stock spec 2" cat?
my other concern is where do i find the header gaskets and pipe couplers that will fit and join it all together?
i'm used to going to advance auto, telling them i need all the stock hardware for a stock exhaust and throwing it on in the driveway. with this custom system thats 2" opposed to the stock diameter has me a bit thrown off and over thinking things
anyone have any tips? attached is some pics of the pipe ends to see what kind of gaskets i will need.
thank you!
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Re: exhaust help on my 90 1.5 DX hatch
so will i have to have one fabricated or does anyone sell a straight pipe that will fit in the place of where the cat would go?
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Re: exhaust help on my 90 1.5 DX hatch
would this work for me?
also, should i go with the OEM header gasket or would a rock auto one work?
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Re: exhaust help on my 90 1.5 DX hatch
edit:
well after measuring again, it appears to be a 1 3/4 inch system, so maybe the stock cat would work....
my dumb *** wasnt measuring the inside diameter of the pipes
well after measuring again, it appears to be a 1 3/4 inch system, so maybe the stock cat would work....
my dumb *** wasnt measuring the inside diameter of the pipes
Last edited by mjf6866; 11-19-2014 at 03:49 PM.
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