glasspack muffler
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RE: glasspack muffler - 6/11/2006 2:22:44 PM
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swartlkk
Posts: 13748
Joined: 5/1/2005
From: Waterloo, NY
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I had glasspacks on my Chevelle thru true duals and will never go back to them. The reason being simply this, they wear out rather quickly. Yeah they are cheap and they flow very well, but their sound deadening material is basically fiberglass stuffed into the space between the outside barrel and the inside perforated tube. As the glass gets blown out the tail pipe, they gradually get louder and louder, crackling more as well.
Now it has been quite a few years since I have ever done anything muffler wise, but my Chevelle has Thrush Turbo mufflers on it now and they have a nice deep rumble to them. But I'll let others that have done exhaust more recently comment on what you should get to attain the tone you require.
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Kyle-
2004 Rainier
1970 Chevelle - Resto
1974 K5 Blazer - Resto
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RE: glasspack muffler - 6/11/2006 2:29:20 PM
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nails5240
Posts: 73
Joined: 6/11/2006
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I figured it had to be too good to be true for the prices I found.
Had a full size V8 pick up before i got the blazer and i miss the sounds.
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RE: glasspack muffler - 6/11/2006 2:36:44 PM
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swartlkk
Posts: 13748
Joined: 5/1/2005
From: Waterloo, NY
Status: online
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I know what you mean! A friend of mine has a Silverado 1500 with the 4.3L v6 in it and to listen to the exhaust he has on it, you wouldn't know it wasn't a v8. That is until I was behind him one night on the way to a fire call and we both were on it and he wasn't pulling away from me... Something was up and that was when I asked him what he had for a motor in it. I'll have to see what he has for mufflers next time I see him.
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Kyle-
2004 Rainier
1970 Chevelle - Resto
1974 K5 Blazer - Resto
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RE: glasspack muffler - 6/12/2006 5:09:49 PM
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nails5240
Posts: 73
Joined: 6/11/2006
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So what other mufflers can give me a good sound without spending too much?
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RE: glasspack muffler - 6/14/2006 12:32:04 AM
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Hanr3
Wheels & Tire Moderator
Posts: 3404
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I personally like the sound of glasspacks for the very reason Swart gave for not likeling them.  Then again when I was growing up, glass packs were it. I love teh pop and crackle noises you get when reving the engine.
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'87 S10-Blazer - SOLD
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RE: glasspack muffler - 6/14/2006 12:58:06 AM
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nails5240
Posts: 73
Joined: 6/11/2006
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Well how long does it take the fiberglass in the glasspack to start to break down?
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2001 LS 4 Door 4.3L
31x10.5x15
http://www.jonescam.tv
helmet and onboard cameras
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RE: glasspack muffler - 6/14/2006 6:23:04 AM
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swartlkk
Posts: 13748
Joined: 5/1/2005
From: Waterloo, NY
Status: online
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For my Chevelle, alittle under 2 years.
And don't get me wrong, I loved the sound of the glass pack when I was 16, but by the time they started to wear out, it just started to agrevate me more than anything else. The drone inside at the 1 year mark was really getting annoying.
The bass from the thrush mufflers was amazing and the sound was just more refined. Who needs a stereo! I could actually set off the sensitive car alarms that many of my classmates and teachers had while in HS. Man was that ever a reason to get to school late!!!
Scurry little mice, scurry to reset your car alarm!!! MUUHAAAHAA!!!
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Kyle-
2004 Rainier
1970 Chevelle - Resto
1974 K5 Blazer - Resto
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RE: glasspack muffler - 6/26/2006 8:08:55 AM
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lunatic_magnet
Posts: 202
Joined: 6/26/2006
From: sideways in turn 4
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i used to have a glasspack on my camaro... recently switched over to a magnaflow.
i think if given the choice i'd go back to the glasspack. the magnaflow sounds nice but the glasspack is quieter. i wouldnt shy away from the glasspack mufflers, IMHO they dont deteriorate any faster than anything else in the exhaust system unless youre going stainle$$.
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RE: glasspack muffler - 2/9/2008 2:19:02 PM
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mccague36
Posts: 44
Joined: 2/5/2008
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I just installed a cherry bomb glasspack on my blazer today. I like the crackle and poping sounds it makes, it has a good back flow note too. it was cheap, the muffler was $25ish and the brackets, piping, and everything else was about another $40. So far I love the sound, but then again it has only been a few hours. I was thinking about how long they last and I figured that if it goes in another 2 years, I can just go buy another one for $20, no big deal.
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RE: glasspack muffler - 2/9/2008 2:37:16 PM
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a_tack
Suspension Tech Moderator
Posts: 1287
Joined: 4/5/2006
From: Ashland, Kentucky
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sound clips please?
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RE: glasspack muffler - 2/16/2008 7:42:18 PM
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WhiteTie BlackJacket
Posts: 386
Joined: 6/8/2007
From: VA
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quote:
ORIGINAL: a_tack
sound clips please?
x2
Ive been thinking of getting a muffler installed w/ tax returns...
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RE: glasspack muffler - 2/17/2008 8:07:00 AM
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blazinloud
Posts: 2425
Joined: 2/8/2006
From: Saskatoon, Canada
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what about resonated tips....can anyone elaborate on those?
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RE: glasspack muffler - 2/17/2008 6:16:48 PM
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WhiteTie BlackJacket
Posts: 386
Joined: 6/8/2007
From: VA
Status: offline
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Arent those basicly the same as a glasspack, its just in the tip instead?
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RE: glasspack muffler - 2/24/2008 3:19:40 PM
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02warrior350
Posts: 26
Joined: 2/24/2008
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wish i could help..but as youve said, a 5.7 liter is alot different than the 4.3..... i love the sound of my dual cherry bombs. A plus to glasspacks is that they dont blow apart at the seams..mainly cuz they dont have any.. :D i bought my truck with custom exhaust on it..dont know the brand of the muffler but i know they were tiny little turbo mufflers and my cherrybombs sound sooo much better, anyway, back to the blowing apart...a friend and i were going fishing,, and offroading a bit, and all of a sudden somethin started rattlin...scared me to hell cuz i had juss put a new tranny in the truck and i almost crapped my pants haha :D ahh i'm not bein any help am i ..ahah but glasspacks are a good, cheap form of exhaust.
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RE: glasspack muffler - 3/20/2008 10:11:55 PM
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4x4blazerguy
Posts: 183
Joined: 3/9/2008
From: EXIT 105
Status: offline
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quote:
ORIGINAL: swartlkk
I had glasspacks on my Chevelle thru true duals and will never go back to them. The reason being simply this, they wear out rather quickly. Yeah they are cheap and they flow very well, but their sound deadening material is basically fiberglass stuffed into the space between the outside barrel and the inside perforated tube. As the glass gets blown out the tail pipe, they gradually get louder and louder, crackling more as well.
Now it has been quite a few years since I have ever done anything muffler wise, but my Chevelle has Thrush Turbo mufflers on it now and they have a nice deep rumble to them. But I'll let others that have done exhaust more recently comment on what you should get to attain the tone you require.
I'm with you on this also. I will never run glasspaks again either. I much prefer the turbo mufflers. I run Summit Turbos on my 86 F250 4x4 460. They have been on there for 5 years & still sound good.
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RE: glasspack muffler - 3/22/2008 11:56:28 PM
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macro820
Posts: 2
Joined: 3/22/2008
Status: offline
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http://www.mediafire.com/?g1szngzdm1s
That's what my stock blazer with a glass pack sounds like everything else is stock right now
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