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

Gutted Cat and Flowmasters

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Old Sep 5, 2002 | 09:54 PM
  #1  
'86PaceCar's Avatar
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Default Gutted Cat and Flowmasters

How's the sound? Too loud with the top down? I know personal preference plays the big part. Just wanted feedback.
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Old Sep 5, 2002 | 10:09 PM
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Default Re: Gutted Cat and Flowmasters ('86PaceCar)

I have a 2 1/2" mandrel-bent front Y, hi-flow cat and FlowMaster cat-back; it sounds sweet with the top off or on. :cool:

Try it, you'll like it. :yesnod:
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Old Sep 5, 2002 | 10:10 PM
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Default Re: Gutted Cat and Flowmasters ('86PaceCar)

I've got no pre-cats and a gutted main cat and 3 chamber flowmasters. It sounds really good at idle and especially when you get on it. Its not too loud at all inside the car when your just cruising. My friend has the 2 chamber flows on his 91 and it is just a little too loud for me. I'd go with the 3 chamber flows if you are buying. :cheers:
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Old Sep 5, 2002 | 10:18 PM
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Default Re: Gutted Cat and Flowmasters (KYVette90)

On my 88 I have no pre-cats ,no main cat and stright trough muflers (chery bombs) and I realy like it not to quiet and not too loud but very very DEEP !! I got compliments about my vette sounds very nice :cheers:
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Old Sep 5, 2002 | 11:13 PM
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Default Re: Gutted Cat and Flowmasters (marlon88)

I have no cats x-pipe where the resonator was and 40 series flowmasters....the resonance is really loud inside the car up until you hit about 60 mph and its not too bad. At around 50-58 its really loud even with the radio on and the top and windows down. Its hard to hold a conversation inside the car during normal driving.
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Old Sep 5, 2002 | 11:18 PM
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Default

Great! Before I did my mods I had....

Stock front Y-Pipe w/precats
Gutted main Cat
Stock rear Y-Pipe
Flowmaster Mufflers

...nice and rumbly at idle and screamed at full throttle.
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