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Naturally aspirated 2.3 Test Pipe Help?

4K views 9 replies 6 participants last post by  theblooms 
#1 ·
Hi everyone! I have a 2005 Mazda 3 SP23. I installed the magnaflow cat back exhaust about a month ago, and im looking into the exhaust further. Ive been looking for a test pipe to delete the second cat but i cant find one, they are all for the mazdaspeed. Also, they are illegal in my county so no shops will do it. Does anyone have a link to their test pipe or where i could get one, Thanks!!!
 
#10 ·
Cool, thanks for the clarification. I just put a new cat on my wife's CR-V because the stocker destroyed itself turning itself into a test pipe of sorts. The substrate wound up in the muffler. That car has an O2 sensor fore and aft of the cat, so that's why I replaced it. I found a direct bolt-in OEM substitute from Magnaflow for $110 shipped from Advance.com after stacking coupons and SpeedPerks. Not too shabby a price if you ask me.
 
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