I started a new thread and narrowed down my questioning, please help me out if you have any knowledge about this:
http://www.grandprixforums.net/f94/h...cat-28181.html
Thanks
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I started a new thread and narrowed down my questioning, please help me out if you have any knowledge about this:
http://www.grandprixforums.net/f94/h...cat-28181.html
Thanks
Last edited by VejGTP; 03-02-2010 at 03:58 AM.
^^Exactly...unless your pushing some serious power...and no catback comes with a cat...hence cat-BACK system
so you can get either a 2.5" or 3" downpipe with a high flow cat and ubend delete all in one pipe that bolts right in. then you can decide to keep your stack cat-back, or change it to an aftermarket one
I just bought a 3" cat for $35. they are not expensive.
-the downpipe is the section of the exhaust between the rear exhaust manifold and resonator that does include the cat and 1 o2 sensor
-headers will come with their own downpipe so if u want headers don't waste the money on a downpipe and just go straight to headers
Thanks for the answers. I wasn't sure, but the O2 sensor is in the cat isn't it?
I just don't want to get the wrong parts or have something not fit. I'm not sure what the stock exhaust size is but I'm guessing either 2.5" or 2". So if I got a 3" cat to go from the new downpipe to the stock exhaust, I would need some sort of fitting so they would connect right?
I plan on getting a catback system eventually, but my main focus is changing the downpipe/catalytic converter because the one I have right now is bad.
EDIT: After reading to your answers and thinking about it, I made a new topic narrowing down what I want to do. Please check it out and help if you can!
http://www.grandprixforums.net/f94/h...cat-28181.html
Last edited by VejGTP; 03-02-2010 at 04:00 AM.
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