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Old 06-27-2012, 11:38 PM   #1
Mustang Killa

 
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ZL1 Muffler Delete?

Anyone dare venture to go this route yet?

I have heard the dual note exhaust and its a little too mild, even after the wild switch is open

Anyone?
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Old 06-28-2012, 05:56 AM   #2
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Thinking about it. Just waitin to hear 1 first and see how its done. Got the flap controls back there and 2 outlets each side
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Old 06-28-2012, 11:41 AM   #3
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Headers solve the problem completely lol. I heard one in Atlanta last week.
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Old 06-28-2012, 11:42 AM   #4
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It's a cheap mod...someone try it and post some results.
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Old 06-28-2012, 11:53 AM   #5
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Headers solve it . . I know . . dual mode is AWESOME . .

At start up and WOT the car tells you " I am bad ass"

At cruise, no drone, and a VERY comfortable car for a 500 mile road trip . .

How do I know . . . I did it . .
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Old 06-28-2012, 01:21 PM   #6
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Quote:
Originally Posted by THR ZL1 #1 View Post
Headers solve it . . I know . . dual mode is AWESOME . .

At start up and WOT the car tells you " I am bad ass"

At cruise, no drone, and a VERY comfortable car for a 500 mile road trip . .

How do I know . . . I did it . .
Did you get a tune as well ? I would assume that you would have to
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Old 06-28-2012, 01:31 PM   #7
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I have SLP Long tube headers, pulleys, tune and injectors along with air cleaner.

I would NOT want it any louder. It feels every bit the 650RWHP when I go WOT and as Andy said, still nice for that 9 hour ride home from Maryland.

No drone, nothing but a quiet rumble.

I drove back with a friend, he said it sounded like Nascar when I flew by him.
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Old 06-28-2012, 02:55 PM   #8
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Cool

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Originally Posted by zfuzz View Post
Did you get a tune as well ? I would assume that you would have to
I have a basic dial in tune to prevent codes, once he is broken in will go back for a dyno tune to get the numbers after headers and air box.

Dan yours has to be AWESOME!
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Old 06-28-2012, 08:20 PM   #9
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I think so Andy. Having owned three different Z06's and my Camaro SS, this car far surpasses all of them...........and I said that BEFORE adding 150 HP to the rear wheels!
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Old 06-28-2012, 08:33 PM   #10
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Quote:
Originally Posted by Happy_Dan View Post
I have SLP Long tube headers, pulleys, tune and injectors along with air cleaner.

I would NOT want it any louder. It feels every bit the 650RWHP when I go WOT and as Andy said, still nice for that 9 hour ride home from Maryland.

No drone, nothing but a quiet rumble.

I drove back with a friend, he said it sounded like Nascar when I flew by him.

So your at 650 RWHP with just those mods?
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Old 06-28-2012, 08:38 PM   #11
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Quote:
Originally Posted by Happy_Dan View Post
I have SLP Long tube headers, pulleys, tune and injectors along with air cleaner.

I would NOT want it any louder. It feels every bit the 650RWHP when I go WOT and as Andy said, still nice for that 9 hour ride home from Maryland.

No drone, nothing but a quiet rumble.

I drove back with a friend, he said it sounded like Nascar when I flew by him.
Do have a video so we can hear how it sounds? Those are the same mods I am planning on doing to mine once it gets in.
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Old 06-28-2012, 08:49 PM   #12
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I think so Andy. Having owned three different Z06's and my Camaro SS, this car far surpasses all of them...........and I said that BEFORE adding 150 HP to the rear wheels!
I was on the track earlier this week with some Z06s and they seemed pretty kick-ass. Not questioning you but am really interested in understanding what you like about the ZL1 that beats a Z06.
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Old 06-28-2012, 09:39 PM   #13
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So your at 650 RWHP with just those mods?
??
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Old 06-28-2012, 09:43 PM   #14
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...not sure about that, it's pretty raucous when the valve's open up the mufflers at it's pre-determined point. I for one think it was brilliant design GM has used to pass drive by noise GOV standards, and employ a more open exhaust in the performance envelope on the street.
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