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Author
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Topic: Catback Question
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
 
 
I have an offroad H pipe and Magnaflow mufflers, both are 2 1/2" welded into the stock catback which is 2 1/4 am I loosing HP because of this?
[ January 29, 2003, 03:40 PM: Message edited by: bunchmyfunky ]
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01 GT 5spd
1.76 12.79@105.49
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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Yellow94GT
Mr. 60 FT
Member # 431
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posted
You already know the answer to this ![[patriot]](graemlins/patriot.gif)
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AED
1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001
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JoeT
¯
Member # 298
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posted
I think if you convert over to some 5 1/4" fart tips you'll free up an extra 50 HP (or so) ![[Whoo Whooooo!]](graemlins/woowoo.gif)
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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Yellow94GT
Mr. 60 FT
Member # 431
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posted
quote:
Originally posted by shade-tree:
I think if you convert over to some 5 1/4" fart tips you'll free up an extra 50 HP (or so)
And Mark called me the smart ass...LOL ![[Razz]](tongue.gif)
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AED
1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
quote:
Originally posted by shade-tree:
I think if you convert over to some 5 1/4" fart tips you'll free up an extra 50 HP (or so)
Joe if I did that I would be blowing just as much hot air as you ![[Smile]](smile.gif) Are you going to the track Saturday?
Drew, your still a smartass
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
-It seems pointless in having 2.5" mufflers/H-pipe that go into 2.25" tips!! ![[Roll Eyes]](rolleyes.gif) ....I dont think your losing that much horse power though..Maybe 4hp??....It will become more restrictive when your "on the bottle".... ![[burnout]](graemlins/burnout.gif)
-I wouldnt worry about it too much as bigger exhaust after the mufflers hit the stock upper control arms from time to time..
-TRY2PAZ had 2.5" Flowmasters welded on his factory cat back, O/R H pipe and stock manifolds!..He was close to 400rwhp with a Vortec, chip and a power pipe..
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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