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#1
05-26-2005, 07:38 AM
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What wll this sound like...??
Well its time for my cats to be cut off. Theyre stopped up and smell horrible!! Plus, I've heard they can cause bad mileage, and pinging if theyre clogged.
Just wanted someone's opinion. When I cut them, do I leave the flowmaster on there, replace it with a quieter muffler, or just say "FK it" and let it ride. The FM's got a hole in it already, so its next to go...wat to do? I wonder wat a stock muffler sounds like w/o cats. I'm looking for a kind of sleeper sound...barely noticeable until you're killing it!!
__________________
1998 ECSB Z71
Whelen LED's Kenwood 2-way "BIG 3" 2500+ watt audio  
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#2
05-26-2005, 08:06 AM
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Re: What wll this sound like...??
i would say a good sleeper muffler would be the gibsons.... i have one on mine (single in, dual out) its pretty quiet at idle but then it roars when you get on it. i feel they are very good performance wise as well. flowmasters have a too many chambers... you can see straight through my gibson muffler.
__________________
  2000 Silverado LS 4.8, K&N FIPK, Gibson Extreme Dual Exhaust, Line-X Bedliner, Black Speed Grille, Viper Alarm System, Custom Audio system.... (need to update my pic)
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#3
05-26-2005, 11:51 AM
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Re: What wll this sound like...??
Aren't dynomax mufflers straight though also? Whatever it is will be louder than it is now i'm sure since I'm ditching the cats as soon as I can scrounge up the $$$
__________________
1998 ECSB Z71
Whelen LED's Kenwood 2-way "BIG 3" 2500+ watt audio
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#4
05-26-2005, 07:28 PM
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jeverrett, i cut off my cats on most all my vehicles and left the flowmaster on. the sound is awesome. almost sounds like a mustang at low speed, and is noticeablely louder when i get on it. if the sleeper sound is what you are looking for, this route may not be for you. flowmaster makes a 'bigblock' series muffler that isnt supposed to effect the sound, but im not sure how it would do without the cat. i personally love the sound of my truck.
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#5
05-26-2005, 07:59 PM
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Re: What wll this sound like...??
won't cutting your cats mess up your emissions tests?
__________________
   "When I step on the gas, I want people to think the world is coming to an end!" - Homer Simpson 2002 ECSB, Nelson Tune, LS1 electric fans, 145A alternator, K&N FIPK, 160º T-stat, TB coolant bypass, Corvette servo, 4 headlight mod, blue LED gauge cluster
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#6
05-26-2005, 09:05 PM
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Re: What wll this sound like...??
yeah im thinkin it would fail an emissions test without them. of course, im sure theres someone who can get him a sticker. in jersey thats how its gotta be done. my '76 c10 puts out right around 3 times the legal hydrocarbon limit for new jersey. u shoulda seen their faces when they saw the test results lol. in va where i used to live they didnt even test the emissions. hahahaha-just thinkin of some of the cars i actually got thru inspection. u also need o2 simulators for the computer or id say it wont run right. ask nelson haha. he knows more than us.
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#7
05-27-2005, 07:49 AM
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Re: What wll this sound like...??
Well I don't have emission testing here, never have, never will. And allen is gunna cut my rear 02 sensors off on my newest tune update.
__________________
1998 ECSB Z71
Whelen LED's Kenwood 2-way "BIG 3" 2500+ watt audio
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