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yeah, from my understanding the cats are on the exhaust manifold and resonators are located on the mid pipes. stock has two and indivia has 1 resonator.
I get small backfiring on deceleration with PPE headers, stock mid and some straight through resonators at the back. I think, like another poster said, the car has a tendency to back fire from the factory and that the stock mufflers make it quiet enough so that you cant tell.
yeah, from my understanding the cats are on the exhaust manifold and resonators are located on the mid pipes. stock has two and indivia has 1 resonator.
The primary cats are part of the manifold.
The secondary cats are part of what the midpipe replaces.
I did notice my car backfire today. Was slowing down to go up the driveway at work and bairly gave it any gas to accelerate up it and i heard a very faint pop'ing sound.
I got it after installing the axle back, and still had it after my resonator delete. Plan on installing the mid pipes next week (Invidia), and will update this thread with and change. My understanding is that it is more a pop because the exhaust takes in colder air, than it is a true backfire. Not sure if that's accurate though. Just what I have been told by others with aftermarket exhaust.