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Which plate to use in my borla?

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Old 05-01-2009, 06:43 PM
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Default Which plate to use in my borla?

Ok, my 01 z28 has the mods in my sig, and it is just too loud. I had been running the borla catback wide open, without any plates, so i decided that the best way to quiet it down was to put one of the plates in it. So i contacted borla and ordered them. my question is which one do most people run? I want the car as quiet as i can get it. There is one plate that has no hole, and is just solid. Wouldnt this really hurt performance though??
Old 05-01-2009, 08:33 PM
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ya any plate you put in is gonna hurt performance some, you are basically running an open cutout right now. any plate you put in will cut down on flow. QTP makes a special electric cutout for the borla if you would like to be able to adjust it all the time which is the way i would go.
Old 05-01-2009, 08:46 PM
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I run a Borla system as well.....no cat/ory and LT's wide open (no plate). I would suggest trying the next plate down from fully open. You shouldn't lose too much performance being that it is 3" exhaust and the plate is nearer the tips. DO NOT go fully closed....will definitely hurt you then.
Old 05-02-2009, 12:06 AM
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Originally Posted by EJVYFZ
Ok, my 01 z28 has the mods in my sig, and it is just too loud. I had been running the borla catback wide open, without any plates, so i decided that the best way to quiet it down was to put one of the plates in it. So i contacted borla and ordered them. my question is which one do most people run? I want the car as quiet as i can get it. There is one plate that has no hole, and is just solid. Wouldnt this really hurt performance though??
sweet im gonna have a cam here soon just what i wanted lol

by the way u have any vids of your car?
Old 05-06-2009, 08:54 PM
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haha i like how this is the indiana thread. im down in martinsville/trafalgar.. pretty close to u LS1-Navy.. im in gwood all the time..
Old 05-06-2009, 09:22 PM
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I use the smallest plate, it really cuts down on the rasp. If your going to the track or dyno just take the plate out.
Old 05-07-2009, 06:56 AM
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I have the borla and just installed a set of ARH long tubes with catted y. I run mine without a plate and it sounds great. Not real loud until i let er rip.
Old 05-08-2009, 01:40 PM
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well im going to go with the smallest plate i think.. with my cam, LTs, and ory, its really really loud, and really raspy..
Old 05-08-2009, 02:07 PM
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Originally Posted by EJVYFZ
well im going to go with the smallest plate i think.. with my cam, LTs, and ory, its really really loud, and really raspy..
I have the catted y, mine doesn't sound raspy though, just real loud when I nail it.
Old 05-08-2009, 02:30 PM
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^^same setup as u and i just get a little rasp around 2000-2500 but i never really cared about the rasp




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