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#51 |
Registered User
Join Date: Jul 2007
Location: Salina, Kansas
Posts: 1,998
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Re: exhaust question
i graduated hs in may..
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1972 C-10...402/400..flowmaster 40 series 1967 Mustang 347 stroker/C-4 1966 Mustang 289/3-speed 2013 Mustang V6/6speed w/300 ponies I may be 23, but i sure do knows 67-72s are sexy! Its not MPG its smiles per gallon! build started 11/25/08 build thread: http://67-72chevytrucks.com/vboard/s....php?p=2993796 |
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#52 |
Registered User
Join Date: Jan 2010
Location: Ontario
Posts: 400
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Re: exhaust question
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#53 |
Senior Member
![]() Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,365
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Re: exhaust question
I wish I could say that.... Yes I do have an answer to your question but I don't. But it is great to see all the input on your question.
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A husband can be right...or...A husband can be happy. ![]() 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. ![]() 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc ![]() ![]() JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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#54 |
Registered User
Join Date: Jan 2008
Location: Tejas
Posts: 691
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Re: exhaust question
one of my new magnaflows then flowmaster
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'72 cheyenne super step, '05 long bed gmc |
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#55 |
Registered User
Join Date: Jan 2008
Location: texas
Posts: 119
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Re: exhaust question
magnaflow may make a better muffler but i sure do like flowmaster's website better. i wish magnaflow had a chart that showed their mufflers in line from quitest to loudest...
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#56 |
Registered User
Join Date: Jan 2008
Location: Tejas
Posts: 691
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Re: exhaust question
loudest (other than race mufflers, 6" long I believe) is the 4x14 cylinder shaped. Quietest is whatever is biggest. Ovals will be quieter than cylinders. Flowmaster doesn't show decibals either, so what I said is about the same accuracy.
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'72 cheyenne super step, '05 long bed gmc |
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#57 |
Registered User
Join Date: Jan 2008
Location: texas
Posts: 119
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Re: exhaust question
where do you find decibals on magnaflow site? that sounds very helpful
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#58 |
Registered User
Join Date: Jan 2008
Location: Tejas
Posts: 691
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Re: exhaust question
I don't think you can find db's on magnaflow. I was just saying flowmaster doesn't list db's either so their method of rating how loud a muffler is is just by comparison. Because you're going to run cutouts i'd just measure a couple times and order the biggest ones that will fit. It'll be stealthy.
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'72 cheyenne super step, '05 long bed gmc |
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#59 |
Registered User
Join Date: Jul 2007
Location: Salina, Kansas
Posts: 1,998
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Re: exhaust question
why spend $27 when i already have the stuff laying around
__________________
1972 C-10...402/400..flowmaster 40 series 1967 Mustang 347 stroker/C-4 1966 Mustang 289/3-speed 2013 Mustang V6/6speed w/300 ponies I may be 23, but i sure do knows 67-72s are sexy! Its not MPG its smiles per gallon! build started 11/25/08 build thread: http://67-72chevytrucks.com/vboard/s....php?p=2993796 |
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#60 | |
Registered User
Join Date: Jan 2008
Location: Tejas
Posts: 691
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Re: exhaust question
Quote:
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'72 cheyenne super step, '05 long bed gmc |
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#61 |
Registered User
Join Date: Jan 2008
Location: texas
Posts: 119
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Re: exhaust question
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#62 |
Registered User
Join Date: Jan 2008
Location: Tejas
Posts: 691
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Re: exhaust question
not the electric mechanisms, just the cutout itself. I would suggest looking at ls1tech.com for prices and opinions on cutouts
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'72 cheyenne super step, '05 long bed gmc |
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#63 |
Registered User
Join Date: Jan 2008
Location: texas
Posts: 119
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Re: exhaust question
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