#14492 - 06/12/07 07:18 PM
exhaust, round &round
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Registered: 03/11/04
Posts: 5176
Loc: Virginia
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I stopped by the exhaust shop this afternoon and chatted with my guy about my persistent droning and asked his opinion. He stated that he thought my biggest problem was my hi-flow cat and U bend delete. He thought that by allowing more flow is what is causing the noise issue. He also said he has seen more than one truck come in his shop that orginally had no muffler and after adding the new cat was suddenly raucous loud. He also thought my Corvette resonators were basically "tin cans" that gave no sound control at all...the Hushpower being the only thing resembling a muffler in my system. he felt that adding some kind of chambered muffler out back will offer any kind of help. I'm actually surprised that the Hushpower alone wont quell the sound with just some resonator tips out back... I have a pair of chambered muffs sitting in the garage but if I have him install them and its as quiet as stock I know I'm not gonna be happy. I also noticed in many of the pics of cat-back systems on the market that the factory split in the rear has been replaced some some form of Y pipe...since the stock setup is closer to a T, I wonder if adding a Y might kill some of the reverb in the pipe that might be causing the droning...any sound engineers here with an opinion on that theory?
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#14493 - 06/12/07 08:03 PM
Re: exhaust, round &round
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Registered: 12/29/05
Posts: 724
Loc: Dallas, Tx
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You got me stumped dude. If I were you, I would first try some resonated tips and go from there.
And about the Y-pipe, I don't think it will yield any noticable sound difference.
Good luck T-Bat.
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---Kevin
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#14494 - 06/12/07 08:38 PM
Re: exhaust, round &round
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Registered: 05/23/03
Posts: 8078
Loc: Austin, TX
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He has resonated tips, he has no muffs.
_________________________
Bobby Died 5/1/08, resurrected 5/15/08 ASCD SD hood, 17" Bullitts, Overkill PCM, 3.4" Pulley, NGK TR55IX, K&N 9" cone filter, JimmyC D/P, U-bend removed, Flowmaster 40 series, Hooker big bore tips with resonators, S/B brake lines, drilled/slot rotors, GMPP handling kit, KYB struts, F&R strut supports, HID's, LED's, 2.5" Air Dam, red GTP overlays on custom badges, white rear insert.
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#14495 - 06/12/07 09:15 PM
Re: exhaust, round &round
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Registered: 12/27/05
Posts: 2898
Loc: Phoenix, AZ
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Hmmm... Makes since to me, with no chambered muffler, I can see how he would think it would give you a hollow drone... That would give me a headache driving around like that? or is it not bad, just your tired of it?
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-Mike H.
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#14497 - 06/12/07 10:22 PM
Re: exhaust, round &round
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Member
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Registered: 12/27/05
Posts: 2898
Loc: Phoenix, AZ
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Have a set up to Bolt on a muffler for long trips and a straight pipe for just around town?
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-Mike H.
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#14498 - 06/13/07 12:47 AM
Re: exhaust, round &round
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Registered: 04/30/06
Posts: 3201
Loc: Groton, CT
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i can't offer any suggestions because I hate my car's exhaust too, no matter what I try. I'm tired of trying, so I'm going back to stock soon.
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'97 SE with alot of mods
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#14500 - 06/13/07 01:14 AM
Re: exhaust, round &round
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Registered: 02/08/04
Posts: 3463
Loc: Gonzales Tx.
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Just bite the bullet and buy some polished magnaflows pricey but not ricey,nice mellow sound and no drone .Chico.
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#14502 - 06/13/07 10:58 AM
Re: exhaust, round &round
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Member
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Registered: 12/27/05
Posts: 2898
Loc: Phoenix, AZ
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Papa GP, Thats a perfect name!! ..."pricey but not ricey" Any videos of the magnaflow? I'm ordering my new mufflers on the 22nd, and debating over the magnaflow or the flowmaster
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-Mike H.
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#14503 - 06/13/07 11:17 AM
Re: exhaust, round &round
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Member
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Registered: 03/26/07
Posts: 1399
Loc: Houston, TX
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I was trying to decide between the FM's, MagnaFlows, and Borlas...
Haven't decided yet...
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Kinda sorta, yeah, no? '02 Black GTP - RIP 03/03/08 ||| '06 Black G35 MT6 - Stock ||| '73 Chevy half ton(resurrected)
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#14505 - 06/13/07 05:03 PM
Re: exhaust, round &round
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Member
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Registered: 12/27/05
Posts: 2898
Loc: Phoenix, AZ
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SHAKE AND BAKE! (from Taladaga nights)
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-Mike H.
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#14506 - 06/13/07 06:34 PM
Re: exhaust, round &round
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Member
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Registered: 12/15/05
Posts: 5286
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got a need! a need for SPEEEED!!!
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WizAire CAI w/9" K&N & HV3, 2.5" d/p w/h/f cat, Cobra CB, PowerSlot slots w/Hawk HPS, GR-2s, GMPP handling kit, NextLevel STBs, Pilot Sport A/S Plus tires. 98 L36/MM5 RaC
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