C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

exhaust gurggle when decelerating

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Old Sep 8, 2003 | 02:12 PM
  #1  
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Default exhaust gurggle when decelerating

Recently installed TPIS cat-back. Just started driving my 85 around w/o the OD on (4+3). Doesn't do it with OD on.

Does this mean too little back pressure?

Feels stronger since install - all through the RPM ranges. :seeya
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Old Sep 8, 2003 | 02:36 PM
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Default Re: exhaust gurggle when decelerating (jmrl98)

i had to get used to it. i like it tho, scared the crap outta folks. mine is an lt1 with open manifolds via cutouts to the ground just behind the tires.
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Old Sep 8, 2003 | 02:40 PM
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Default Re: exhaust gurggle when decelerating (jmrl98)

The gurgle is normal. Usually you can only hear it after adding aftermarket (louder) exhaust.

It usually only happens when you take your foot off the gas and allow the wheels to slow the engine down. OD won't slow it very fast, hence no gurgle.

In the 90 I like to scare the heck out of tailgaters by dropping a few gears before a stoplight and letting the Hookers and Flowmasters sing a little :reddevil Very gratifying.

Dale
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Old Sep 8, 2003 | 02:46 PM
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Default Re: exhaust gurggle when decelerating (Professor)

Enjoy the gurgle!! I love taking my 93 out of OD and drop it into D or 2 when coming to a stop light, just to hear that sound. I also love how it scares the old folks away from me. :reddevil
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Old Sep 9, 2003 | 02:09 AM
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Default Re: exhaust gurggle when decelerating (jmrl98)

Don't you just love the sound?
Great.
tony
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Old Sep 9, 2003 | 07:53 AM
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Default Re: exhaust gurggle when decelerating (jmrl98)

I think the sound is reffered to as "exhaust burble", at least so in ancient times (1960's), and it is considered a :cool: thing.

:seeya
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Old Sep 9, 2003 | 08:01 AM
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Default Re: exhaust gurggle when decelerating (Beautiful Beast)

I think the sound is reffered to as "exhaust burble", at least so in ancient times (1960's), and it is considered a :cool: thing.

:seeya
:iagree: I have the "burble" and love it.
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Old Sep 9, 2003 | 08:59 AM
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Default Re: exhaust gurggle when decelerating (Beautiful Beast)

I think the sound is reffered to as "exhaust burble", at least so in ancient times (1960's), and it is considered a :cool: thing.
Definitely cool! :yesnod:
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Old Sep 9, 2003 | 09:32 AM
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Default Re: exhaust gurggle when decelerating (Hardcorvette)

Thanks for the reinforcement boys - I'll be burbbling away all the time now!! :cool: :seeya
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Old Sep 9, 2003 | 10:42 AM
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Default Re: exhaust gurggle when decelerating (jmrl98)

I love to heal andc toe the downshift and get that nice cracking burble form the Flowmasters.
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Old Sep 9, 2003 | 11:35 AM
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Default Re: exhaust gurggle when decelerating (jmrl98)

Hooker headers and Flowmasters will do it everytime.

Essentially the less restriction you have in your exhaust the more of that you get.

I live right off of a 55 mph road, which means usually about 60 mph in 6th gear. A fair distance before the turn I like to match rev's and drop it in third as I slow down. Lets everybody know I'm home, and it saves the brakes some too.
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