Exhaust question
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Junior User
Joined: Nov 2002
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From: VA BEACH. but am from IL
Exhaust question
I want to open up my exhaust with true duel exhaust. Now my question what setup is better for a catback on the 5.4. Straight pipes or same with 40 seriese flowmasters. I want to set it up under the rear bumper. My main goal is to get a little more power without sacreificeing gas mileage. Any help or sugestions would be apreciated.
Freshman User
Joined: Mar 2005
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From: Yuma
i guess duel exhaust is the way to go. The Y-pipe u have at first restricts the flow. Flowmasters will give you some power but most of all i like the sound it gives the truck. you'll feel the power with duel. Don't forget to put some nice chrome tips at the end of the pipes, looks good!
Mountain Pass
Joined: Mar 2004
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From: Jackson
I got true dual exhuast on my buck 50. I had the Y-pipe cut off and custom 2" pipe on, with no mufflers. It sounds great and I can feel the extra HP. It only cost me $200 plus $60 for the crome tips. Check my profile for my tips.
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Junior User
Joined: Nov 2002
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From: VA BEACH. but am from IL
Originally Posted by solidpwder
I got true dual exhuast on my buck 50. I had the Y-pipe cut off and custom 2" pipe on, with no mufflers. It sounds great and I can feel the extra HP. It only cost me $200 plus $60 for the crome tips. Check my profile for my tips.
Mountain Pass
Joined: Mar 2004
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From: Jackson
well I live in wisconsin and in the winter is it cold and I get around 13 mpg on a heavy foot. In the summer if I ***** foot it I get about 16 mpg. But Im always on the gas because it sounds awesome
Senior User
Joined: Sep 2004
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From: Waynesboro, PA
On ebay the have a 3" single outlet exhaust that I have been eyeing up for a while. It seems like a good deal, $237.00 including shipping and it uses a MAC flowpath muffler. From experience I prefer the sound of MAC over flowmaster...
Senior User
Joined: Jun 2004
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You will ultimately get more power and more flow with no mufflers. Even though flowmasters are awesome for sound and flow...you obviously get more flow with no mufflers. I have true dual exhaust, with cats, no mufflers on my 02 FX4 5.4L...2.5in with 3in tips. Sounds great and the power band definately expanded, mileage increased alittle but no "major" change. I also have a MAC CAI, this will help you as well.
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Senior User
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My dad has the under bed dump 40 series cat-backs on his 5.4 when he starts it up you can here it inside the apartament
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Originally Posted by BajaRacer909
i guess duel exhaust is the way to go. The Y-pipe u have at first restricts the flow. Flowmasters will give you some power but most of all i like the sound it gives the truck. you'll feel the power with duel. Don't forget to put some nice chrome tips at the end of the pipes, looks good!
Senior User
Joined: Sep 2004
Posts: 176
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From: Waynesboro, PA
Has anyone ever heard the MAC flowpath mufflers? I have a setup on my 3.8L V6 mustang and it kicks the heck out of the flowmasters that were suggested to me. Take a listen to this audio file. It does the MAC Performance name justice, and remember this is only on a V6...
http://www.racerzedge.us/mustang.mp3
http://www.racerzedge.us/mustang.mp3
New User
Joined: Jun 2004
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I had the mufflers cut out but but failed to remove the Y, so I don't really have true duals. It still sounds AWESOME though. Anyone have suggestions on a whole new exhaust system? I'm talking new headers and new plumbing all the way to the tips.
