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Ark Grip catback with Kinetix HFC = really bad rasp?

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Old Jan 8, 2019 | 09:46 PM
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G37stan
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Ark Grip catback with Kinetix HFC = really bad rasp?

hey guys I recently got my cat back put on mated to my kinetix hfc. I realize with any type of hfc or test pipes you’ll get some rasp but mine is so bad and very loud rasp! Louder then if I had none resonated test pipes! I’ve heard so many other cars with cat backs with hfc’s and they have such little to no rasp, even people with test pipes don’t sound this bad, anyone know why??
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Old Jan 9, 2019 | 11:17 AM
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Maybe you could post a sound clip if its worse than what you'd normally hear?
Otherwise if you think theres something causing it, first and easiest thing to check for is exhaust leaks around the HFC or elsewhere in the exhaust for that matter.
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Old Jan 9, 2019 | 05:28 PM
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G37stan
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Of course it doesn’t sound that bad in video , it’s so much worse driving , then just Reeving it in neutral. The rasp becomes twice as loud when you’re actually driving you can hear it alittle bit in the video but not much :/
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Old Jan 9, 2019 | 07:23 PM
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SkyG37
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When I ran my ARK with Z1 HFC, it was pretty raspy and hiss on the decel.
My motordyne E370 and Z1 HFC doesn't have any rasp or hiss at all.
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Old Jan 9, 2019 | 09:52 PM
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On a scale of 1-10 of loudness what was your ark with hfc and then what is your Motordyne with hfc?
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Old Jan 11, 2019 | 01:34 PM
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SkyG37
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Originally Posted by G37stan
On a scale of 1-10 of loudness what was your ark with hfc and then what is your Motordyne with hfc?
ARK with HFC
Overall Loudness = 7/10
Rasp Loudness = 6/10

Motordyne with HFC
Overall loudness = 8.5/10
Rasp Loudness = 0-0.5/10
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