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cmitchell17 · 01-30-2021, 07:11 PM

Did anyone notice any sound difference, did it help quiet any of the exhaust leak and ticking noise that comes from headers?

I finally broke down and got a set of kooks 1-7/8, and I was very surprised how thin the stainless steel was especially at the collector.

The good news is, I know notice more cylinder airmass so at least I didn't throw $2000+ completely out the window haha. But now my car sounds like a old broken work truck or van with all kinds of exhaust leaks and rusty mufflers. I mean it honestly sounds horrible, but its what I expected from headers and removing the stock exhaust manifold. I know the factory uses pretty stout and thick cast iron, its also double walled (I am not sure if the factory does this for sound reduction or heat insulating for faster cat lightoff?, or maybe both?)

I feel like there has got to be a way to quiet down the crappy sounding noises, its especially bad at high loads and low rpms like when the engine is lugged down and the torque converter locked in low gear.

I feel like concentrating some kind of dampener or something around the collector area it would maybe help at least some of the noise. I really wish there was a aftermarket company that at least cared and offered a header that at least tried somewhat to mask all the crappy sounding noises.

01-30-2021, 07:11 PM	#1
cmitchell17 Drives: 17 2SS, 8L90, Cam, Heads, E85 Join Date: Dec 2016 Location: US Posts: 1,213	Those With Insulator Wrapped Headers Did anyone notice any sound difference, did it help quiet any of the exhaust leak and ticking noise that comes from headers? I finally broke down and got a set of kooks 1-7/8, and I was very surprised how thin the stainless steel was especially at the collector. The good news is, I know notice more cylinder airmass so at least I didn't throw $2000+ completely out the window haha. But now my car sounds like a old broken work truck or van with all kinds of exhaust leaks and rusty mufflers. I mean it honestly sounds horrible, but its what I expected from headers and removing the stock exhaust manifold. I know the factory uses pretty stout and thick cast iron, its also double walled (I am not sure if the factory does this for sound reduction or heat insulating for faster cat lightoff?, or maybe both?) I feel like there has got to be a way to quiet down the crappy sounding noises, its especially bad at high loads and low rpms like when the engine is lugged down and the torque converter locked in low gear. I feel like concentrating some kind of dampener or something around the collector area it would maybe help at least some of the noise. I really wish there was a aftermarket company that at least cared and offered a header that at least tried somewhat to mask all the crappy sounding noises.