Thrush Glasspacks

[phule]

Its not on godly loud at all. Just very toned its also on a ford mod motor and there not very loud from the get go. Thats why mustang mufflers are at the back of the car so they are louder.
The more tail pipe you have the less volume you get.
Adam

 

[Project Mean Green]

Thanks man. Yeah I have my MagnaFlow right in front of my rear axle right now with two pipes going all the way back. I'm gonna cut them shorter once I get the glasspacks installed. Thanks again man.


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[94 cheyenne]

if you ever decide to change mufflers again id recommend the cherry bomb extreme it has a good sound to it mines a little bit throatier than the glasspack i had

 

[Project Mean Green]

if you ever decide to change mufflers again id recommend the cherry bomb extreme it has a good sound to it mines a little bit throatier than the glasspack i had

Alright thanks man. The only reason I'm not going with that is because cherry Bomb to me is just a little higher pitch to me.


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[K15 Blazer]

if anything, step UP the diameter as you go back...
2" Y pipe - 2.25 collector - 2.5" catt -3" muffler - 3.5 tail pipe
(as an example)

 

[Project Mean Green]

if anything, step UP the diameter as you go back...
2" Y pipe - 2.25 collector - 2.5" catt -3" muffler - 3.5 tail pipe
(as an example)

I got 2.25 since that's what autozone Guys and oreiley guys recommended. That way I have somehwhat back pressure. I will upload a sound clip sometime once me and my buddy install them.


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[SCOTTYINWV]

Never listen to the autozone guys

 

[Project Mean Green]

Never listen to the autozone guys

Oh well we will see won't we. Lol


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[K15 Blazer]

lol yeah, screw autozone knowledge...

I found out why backpressure is important though... it gives your O2 sensor the ability to communicate and tune your engine better.. zero back pressure can throw a "too lean AFM" code...

 

[95chev]

Alright guys I'm new to the sight but I have a question. Right now I have a 2 inlet 2 outlet MagnaFlow muffler on. I'm wanting to run true dual with glasspacks. I know everybody has there opinion and if you get the right ones in my opinion glasspacks can sound good deep an throaty. Which is what I want. That's why I was asking if anybody had tried the 20 inch casing 25 inch total thrush glasspack. I have the 5.7 Chevy 350 and am hoping to run two if these glasspacks. Any glasspack info would be nice but I'm pretty much stuck on thrush because of how deep they get. Thanks again

The longer the glass pack, the deeper the tone, i would recommend high flow cats or no cats with them