Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

Flowmaster Super 40's?

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Old 09-20-2006, 12:10 PM
  #1  
slickman
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Default Flowmaster Super 40's?

Has anyone installed these on their first gen in a 2 1/2 inch size and how are they?
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Old 09-20-2006, 12:30 PM
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dezracer
 
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Default RE: Flowmaster Super 40's?

I installed them last weekend. I have headers, X-Pipe, 2 1/2", Super 40's and they dump at the axle. Nice rumble in the cab and not to loud outside until you really get on the throttle. The X-Pipe makes a noticable difference IMO. I plan to dynomat the interior so I think once that is done I will barely hear the exhaust inside the car. I'm happy with the set up so far and I think it sounds sweet.

Just FYI, I ordered my flowmasters off of Ebay. I paid $75 a piece and the shop I took my car to charges $200 a piece.
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Old 09-20-2006, 12:32 PM
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slickman
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Default RE: Flowmaster Super 40's?

Thanks, I'm going to get them from Summit. They have them for $79 each.
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Old 09-20-2006, 12:47 PM
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Default RE: Flowmaster Super 40's?

Oh ya...................I have a 68 mustang with a 302. I have an ok cam in the sucker. I was playing around the other day and turned the idle down and I swear I could hear each cylinder fire one by one. My wife thinks I'm a little crazy.
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Old 09-20-2006, 05:17 PM
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baddog671
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Default RE: Flowmaster Super 40's?

ORIGINAL: dezracer

I installed them last weekend. I have headers, X-Pipe, 2 1/2", Super 40's and they dump at the axle. Nice rumble in the cab and not to loud outside until you really get on the throttle. The X-Pipe makes a noticable difference IMO. I plan to dynomat the interior so I think once that is done I will barely hear the exhaust inside the car. I'm happy with the set up so far and I think it sounds sweet.

Just FYI, I ordered my flowmasters off of Ebay. I paid $75 a piece and the shop I took my car to charges $200 a piece.
Man they made a pretty penny off you. My father ownes a shop and he can do all the piping,cats(if u want), dual flows, and tips...the hole shabang..for 350. And thats making a nice profit. Exhaust shops rip everyone.
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Old 09-20-2006, 05:28 PM
  #6  
ADRIAN1
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Default RE: Flowmaster Super 40's?

whats louder? the 40's or super 40's ?
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Old 09-20-2006, 05:32 PM
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slickman
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Default RE: Flowmaster Super 40's?

From what I know about them, there both suppose to be the same except for the resonance (lack of) with the super 40's. I'm just trying to find out how loud they are.. I have flows now but, not sure which ones (last owner installed them).


ORIGINAL: ADRIAN1

whats louder? the 40's or super 40's ?
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Old 09-20-2006, 06:02 PM
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dezracer
 
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Default RE: Flowmaster Super 40's?


ORIGINAL: baddog671

ORIGINAL: dezracer

I installed them last weekend. I have headers, X-Pipe, 2 1/2", Super 40's and they dump at the axle. Nice rumble in the cab and not to loud outside until you really get on the throttle. The X-Pipe makes a noticable difference IMO. I plan to dynomat the interior so I think once that is done I will barely hear the exhaust inside the car. I'm happy with the set up so far and I think it sounds sweet.

Just FYI, I ordered my flowmasters off of Ebay. I paid $75 a piece and the shop I took my car to charges $200 a piece.
Man they made a pretty penny off you. My father ownes a shop and he can do all the piping,cats(if u want), dual flows, and tips...the hole shabang..for 350. And thats making a nice profit. Exhaust shops rip everyone.

I paid $350 total for the install. $200 at the shop and $150 for the mufflers off ebay. I'm no sucker. Trust me.
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Old 09-20-2006, 09:15 PM
  #9  
fredjchavez
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Default RE: Flowmaster Super 40's?

wowser...I got a ballpark estimate (no fronts or tips) for about 650 - 700. bay area pricing sucks...they assume we are all loaded I guess!!!

Fred
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