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4.3 glasspack?????

  #1  
Old 07-12-2011, 07:31 PM
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Default 4.3 glasspack?????

HI, i have a 01 chevy blazer 4dr LT 4x4, and i want to put a cherrybomb glasspack on it but i have a few questions. my first is ? is 1. is that will it sound good. 2. what are the inlet and outlet sizes and the over all lenth that i will need to replace my factory muffler. 3. some people have said that u loose some low end torque i dont now if thats true or not, if someone who has install one could shed some light on that, that would be great. and 4. does anybody now of a good place or website where i can get one at a fair price. thanks.
 

Last edited by redneck44244; 07-12-2011 at 07:39 PM.
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Old 07-12-2011, 08:37 PM
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If you use the 'search' function for 'glasspack', I believe most of your questions will be answered in the resulting threads since this has been an oft asked question.
 
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Old 07-12-2011, 09:47 PM
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i think glasspacks sound awsome on a 4.3 and i plan on putting one on next week. advance has the cheapest ones near me,

heres a head start on your price search http://www.google.com/search?q=glass...w=1582&bih=749
 
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Old 07-12-2011, 10:12 PM
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A quick youtube search for "blazer+glasspack" will let you know how it sounds. Since everyone's tastes are different, answering that question really isn't of much use. Case in point, I think glasspacks sound like crap. Used to think they sounded good. Had true duals & glasspacks on my Chevelle and that car could wake the dead. Sounded so much better with a set of thrush turbos though. And even better when I went to a magnaflow muffler before decommissioning her.

Sizes are detailed via a link from the Helpful Threads sticky at the top of this section and are literally under your truck. I would want to verify any dimensions myself anyhow. IMO, it's just faster to measure it than to ask the question.

The discussion surrounding exhaust sizing & flow has been covered in great detail as a search for "backpressure+myth" will show you.
 
  #5  
Old 07-13-2011, 05:29 PM
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Default Glasspack

I just put a glasspack on my 91 with the 4.3 and I like the way it sounds. Before I put it on I had my doubts it would sound good but to my surprise it sounds good without being overbearing either. Just my .02 cents
 
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Old 07-14-2011, 05:36 AM
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If you go glass its going to be loud, that could cause problems for testing depending on where you live and local regulations.

I think V6s sound funny with a glasspack but that is just my opinion, I went with a dynamax catback w/ superturbo muffler. Its a drop in replacement!
 
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Old 07-14-2011, 10:39 AM
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Flowmaster sound's great and HP gain
 
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Old 07-27-2011, 12:12 AM
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put a glasspack on today with a low flow cat!! and wow sounds like a beefy 350! i love it
 
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Old 07-27-2011, 12:54 AM
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Davedidit, yes flow masters do sound amazing but you won't see much of any HP difference, unless you do the cat and headers as well :P
 
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Old 08-06-2011, 04:44 PM
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over the stock muffler
ok beleive what you want
my MPG increased and that's what I was after
 

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