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Hi-Flow Cats too loud!

It sounds great at idle and start up but when you stomp on it, it really wails! Its really freeking loud when I floor it. It sounds like a crotch

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		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Intake/Exhaust
Hi-Flow Cats too loud!

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08-21-2009, 12:24 PM	#5 (permalink)
2fast4thelaw Enthusiast Member Join Date: Feb 2009 Location: Denver Co Age: 51 Posts: 403 Drives: 09 370Z Sport/MT6 Rep Power: 18	It sounds great at idle and start up but when you stomp on it, it really wails! Its really freeking loud when I floor it. It sounds like a crotch rocket! The funny thing is its louder inside the car with the windows up. It drones a little with the windows up but not at all when they are down. The Stillen CB sounds awesome with the stock cats so I am probably going to put them back in. Hindsight, I wouldnt have bought the HFC's My Stillen Cats may be up for sale.

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