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Borla Cat back Question
Borla Cat back Question I just installed a used Borla cat back on my 01 Z-28. I didn't get any reducer plates to tune it. When I rev it up with the clutch in, I get a popping sound when I let off. Not a backfire. Is this normal and will a restricter plate limit it? Thanks.
TECH Resident
Joined: Apr 2005
Posts: 809
Likes: 0
From: chicago burbs
yes, thats definately normal, i personally like it, sounds kinda like a snarl..fits the ws6 attitude
i dont think the restrictor plates help at all at getting ride of it, ive never run smaller hols than the mid plate, but it sounded exactly the same as it does now, fully open
i dont think the restrictor plates help at all at getting ride of it, ive never run smaller hols than the mid plate, but it sounded exactly the same as it does now, fully open
Originally Posted by BadgeZ28
I just installed a used Borla cat back on my 01 Z-28. I didn't get any reducer plates to tune it. When I rev it up with the clutch in, I get a popping sound when I let off. Not a backfire. Is this normal and will a restricter plate limit it? Thanks.
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