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Will Flowmasters fit in a Magnapack catback?

  • Thread starter Thread starter Purebred
  • Start date Start date Jun 13, 2004

Purebred

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Aug 4, 2003
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Maryland
Jun 13, 2004
#1
  • Jun 13, 2004
  • #1
I've got a Magnapack catback, and I'd like to swap the 'Packs out for some 2-chambers or Super 40s, but from what I can tell, they won't fit. Has anyone done this before, and if so, how much work is involved? I imagine that some of the pipes will have to be bent to accomodate the new muffs.
 

SonicBlueBabe

New Member
Sep 20, 2003
289
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Boca Raton, FL
Jun 14, 2004
#2
  • Jun 14, 2004
  • #2
Purebred said:
I've got a Magnapack catback, and I'd like to swap the 'Packs out for some 2-chambers or Super 40s, but from what I can tell, they won't fit. Has anyone done this before, and if so, how much work is involved? I imagine that some of the pipes will have to be bent to accomodate the new muffs.
Click to expand...
Are you planning on welding them in? Is that what you're saying?
 

02mingreyGT

New Member
Jan 4, 2004
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Portales, NM
Jun 14, 2004
#3
  • Jun 14, 2004
  • #3
I did it but it was with the regular magnaflow catback... it wasnt hard at all
 

KaPPaBaLL

New Member
Nov 28, 2003
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BAYAREA
Jun 14, 2004
#4
  • Jun 14, 2004
  • #4
Purebred said:
I've got a Magnapack catback, and I'd like to swap the 'Packs out for some 2-chambers or Super 40s, but from what I can tell, they won't fit. Has anyone done this before, and if so, how much work is involved? I imagine that some of the pipes will have to be bent to accomodate the new muffs.
Click to expand...

no you can't do it because the flowmasters are offset in/out and your current magnapacks are basically straight through resonators. Why would you get some crap flowing flowmasters over the superior packs? If you really want them, i say sell your magnapack catback and put your stock catback on and weld the flowmasters.
 

streetstang03

unModerator
Dec 27, 2003
0
1
0
the dark side of the moon/home of the 1999, 2003,
Jun 14, 2004
#5
  • Jun 14, 2004
  • #5
KaPPaBaLL said:
no you can't do it because the flowmasters are offset in/out and your current magnapacks are basically straight through resonators. Why would you get some crap flowing flowmasters over the superior packs? If you really want them, i say sell your magnapack catback and put your stock catback on and weld the flowmasters.
Click to expand...

you can get flowmasters that are center/center inlet/outlet. or get the flowmaster 1 chamber race mufflers.
 
Z

Zinc2000GT

Founding Member
Aug 29, 2000
133
0
17
Phoenix, AZ
Jun 14, 2004
#6
  • Jun 14, 2004
  • #6
I'm sure a muffler shop could make it work, but some extra pipe would have to be bent.
 
C

CatmanJJ

Captain Tangnet
20+ Year Stangneter
Feb 5, 2002
4,379
1
68
Maryland
Jun 14, 2004
#7
  • Jun 14, 2004
  • #7
Oh man, why would you go do something crazy like that??
 

Purebred

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Aug 4, 2003
204
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Maryland
Jun 14, 2004
#8
  • Jun 14, 2004
  • #8
KaPPaBaLL said:
no you can't do it because the flowmasters are offset in/out and your current magnapacks are basically straight through resonators. Why would you get some crap flowing flowmasters over the superior packs? If you really want them, i say sell your magnapack catback and put your stock catback on and weld the flowmasters.
Click to expand...

From what I've heard, there is only a couple of HP difference between all aftermarket mufflers, and that most of the HP to be freed up on a stock car is in the midpipe. That's certainly where I noticed the biggest difference.
 

Purebred

New Member
Aug 4, 2003
204
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Maryland
Jun 14, 2004
#9
  • Jun 14, 2004
  • #9
CatmanJJ said:
Oh man, why would you go do something crazy like that??
Click to expand...

See this thread for the reason
 

Purebred

New Member
Aug 4, 2003
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Maryland
Jun 14, 2004
#10
  • Jun 14, 2004
  • #10
SonicBlueBabe said:
Are you planning on welding them in? Is that what you're saying?
Click to expand...

Yeah, that was my plan, but as I said, I'm a little skeptical with the Magnapack catback. The 'Packs are at a pretty steep angle, which leaves little to no room on the outsides. Since the 'Packs are 4" wide, and the Flows are significantly wider, I figured they wouldn't fit without some modification of the catback pipes.
 

Ryan02Stang

Active Member
Jun 17, 2003
1,181
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36
Arlington Heights, Illinois
Jun 14, 2004
#11
  • Jun 14, 2004
  • #11
People that think mufflers are going to make a difference in performance are STUPID! They are strictly sound. Go with the flowmasters...they make center in center out mufflers.
 

KaPPaBaLL

New Member
Nov 28, 2003
1,326
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BAYAREA
Jun 14, 2004
#12
  • Jun 14, 2004
  • #12
Purebred said:
From what I've heard, there is only a couple of HP difference between all aftermarket mufflers, and that most of the HP to be freed up on a stock car is in the midpipe. That's certainly where I noticed the biggest difference.
Click to expand...

you're right.
 
0

03gtmustang

New Member
May 26, 2003
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Northern Va
Jun 14, 2004
#13
  • Jun 14, 2004
  • #13
Yeah, I think your crazy. IMO the packs sound 100x better then the flows.
 
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