Quote:
Originally Posted by rabbit640
Shouldn't be a problem as long as I don't go too far beyond 2 inches. People have gone all the way up to 2.5. I'm just going to 2.25 inches.
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1.75" exhaust was enough to burn out 2 of the 5 wire o2 sensors on my old civic vx and both my brother and I had the 5 wire o2 sensors burn out on our current vx's from exhaust leaks, it's a common pattern with people who have 5 wire o2 sensor problems to have them burn out after an exhaust leak or switching to a non stock exhaust.
but if you like buying exhaust systems that haven't been proven to increase mileage but that do have a pattern of killing expensive sensors, then go for it.
The stock engine on the VX has some weird sensitivities and it works great in stock form.