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-   -   exhaust....straight pipe?? (https://www.mazdaforum.com/forum/mazda-protege-23/exhaust-straight-pipe-23107/)

nozeykat 06-10-2010 06:23 PM
exhaust....straight pipe??
 
I was needing help with what to do. I was going to straight pipe the whole exhaust with no cat and no resinator, 2.5 inch pipe to the muffler...BUT now am wondering if I should keep the resinator and buy a aftermarket megan resinator and still do the 2.5 pipe....dont know....All so wonder which way would sound better...

virgin1 06-10-2010 06:47 PM

If you have a stock Protégé w/a 2.0L engine or smaller, I would stay in the 2.25" range.
You will likely be sorry not to have a resonator in the system as it will certainly cut the drone inside the cabin while cruising. Also, eliminating the cat is asking for trouble, imo. If for no other reason than being responsible, than for state inspection. At least consider installing a high flow cat in its place.

I am also moving this thread to the Protégé section as this is the "New Members" introduction forum.

gordonjj 07-06-2010 01:55 PM
Originally Posted by nozeykat (Post 107758)
I was needing help with what to do. I was going to straight pipe the whole exhaust with no cat and no resinator, 2.5 inch pipe to the muffler...BUT now am wondering if I should keep the resinator and buy a aftermarket megan resinator and still do the 2.5 pipe....dont know....All so wonder which way would sound better...
Keep the resonator it's the remedy for drone, once you take them off I can't imagine the sound. It would definitely give me a headache.

virgin1 07-06-2010 03:59 PM
Originally Posted by gordonjj (Post 108769)
Keep the resonator it's the remedy for drone, once you take them off I can't imagine the sound. It would definitely give me a headache.

I absolutely agree w/you.
Welcome to the forum, Gordon!!

SchecterGuy 07-19-2010 10:00 PM
I would make sure you check up on your local laws. Around where I live, illegal modification of emissions components is a decent fine. My brother straight piped his accord and ended up with 3 tickets in one month. Each with a fine of $100.

darkstar4100 07-24-2010 03:16 PM
we took the cat out of the gf's protege cause it was failing and we have had nothing but problems ever since we are trying to get the cat back in

nozeykat 07-25-2010 09:35 PM
thanx
 
you guys are the sh#t....I live in colorado and where I live no laws...thank you guys...you have helped me alot!!!!....mazda all day


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