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Old 04-28-2009, 12:24 PM
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Best exhaust for 5.4L

Some opinions, if you please.

I'd like to research a new exhaust system for my 2002 F-250 5.4L. Is there a combination out there that offers a little more torque and gas mileage without being too loud? I'm interested in a nice rumble, not an ear-splitting explosion. Thanks!
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Old 04-28-2009, 01:45 PM
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Good question I would like to know too.
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Old 04-28-2009, 04:04 PM
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I have the Flowmaster Super 44 with 3" pipe and 4.5" stainless steel tip exiting in stock location.
Click the image to open in full size.
The truck seems to like it, and it's got a nice rumble with out that raspy loud glasspack sound. I tried several setups and like this one the best.
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Old 04-28-2009, 04:07 PM
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flowmaster and jba get my vote. i have used both and they have great sound with minimal cab noise. don't go gibson. the cab noise will give you a headache.
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Old 04-28-2009, 05:45 PM
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If you're just going 'cat back' make sure that you remove the two restrictions near the y-pipe. A guy on ebay sells a nice piece that will fit right up. If you're going complete exhaust from the manifolds...you've already got it covered.

Search Ford Y pipe on ebay
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Old 04-28-2009, 07:37 PM
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I love my Magnaflow. A nice low rumble down low that almost disappears in the high RPM's, and little to no interior noise. Sadly, I may be ditching it for something louder. I want my truck to have some real bark to it. I know it just ain't possible, but I want her to sound something similar to a Cobra with SLP Loudmouth exhaust.
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Old 04-28-2009, 07:47 PM
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Quote:
Originally Posted by enduro4231 View Post
I love my Magnaflow. A nice low rumble down low that almost disappears in the high RPM's, and little to no interior noise. Sadly, I may be ditching it for something louder. I want my truck to have some real bark to it. I know it just ain't possible, but I want her to sound something similar to a Cobra with SLP Loudmouth exhaust.
What size Magnaflow muffler are you running? My neighbor across the street has a late model F150 with 5.4L engine. He installed a 11" or 12" Magnaflow muffler only and his truck is loud and sound's great! I love the sound of Magnaflow!
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Old 04-28-2009, 07:55 PM
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It's a 3" SI/SO and I believe it's an 11". Great sound, but not as loud as I'd like it to be. Maybe it's due to my uber restrictive stock Y-Pipe or cat, but I'm not sure.
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2002 F250 Lariat 5.4L, 4x4, Auto: 3" Magnaflow Exhaust; K&N Intake; SCT X3 w/ 5 Star Tunes; Leveled on 35" Road Ventures on MT Classic Lock wheels; Manual TC Lockup switch; FX4 Stabilizer; Recon Smoked Cab lights; Smoked Euro Tails; Line X wheel arches; Custom bumper and grill by me; 20% tint all around
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Old 04-28-2009, 08:00 PM
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Quote:
Originally Posted by bryyce62 View Post
If you're just going 'cat back' make sure that you remove the two restrictions near the y-pipe. A guy on ebay sells a nice piece that will fit right up. If you're going complete exhaust from the manifolds...you've already got it covered.

Search Ford Y pipe on ebay
Good point, I didn't pay attention to the year model of the OPs truck. That factory Y-pipe is junk. Just me mindfull of the basic physics of exhaust, scavenging is key. I still would like to see someone try... Zoomers Exhaust Works - Performance Exhaust Systems, Exhaust Tips, and Cat-backs
In theory, these should be outstanding.
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Old 04-28-2009, 08:09 PM
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Quote:
Originally Posted by WeWonIt View Post
Good point, I didn't pay attention to the year model of the OPs truck. That factory Y-pipe is junk. Just me mindfull of the basic physics of exhaust, scavenging is key. I still would like to see someone try... Zoomers Exhaust Works - Performance Exhaust Systems, Exhaust Tips, and Cat-backs
In theory, these should be outstanding.
That Zoomers muffler looks like you can take it apart to access the core.
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2002 F250 Lariat 5.4L, 4x4, Auto: 3" Magnaflow Exhaust; K&N Intake; SCT X3 w/ 5 Star Tunes; Leveled on 35" Road Ventures on MT Classic Lock wheels; Manual TC Lockup switch; FX4 Stabilizer; Recon Smoked Cab lights; Smoked Euro Tails; Line X wheel arches; Custom bumper and grill by me; 20% tint all around
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Old 04-28-2009, 08:13 PM
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Quote:
Originally Posted by enduro4231 View Post
It's a 3" SI/SO and I believe it's an 11". Great sound, but not as loud as I'd like it to be. Maybe it's due to my uber restrictive stock Y-Pipe or cat, but I'm not sure.
My neighbor's exhaust dumps in front of the right rear tire. His is a SI/DO muffler. Maybe that makes a significant difference. He said that was the only thing that he installed (no cat removal or headers).
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Old 04-28-2009, 08:17 PM
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Here is the aftermarket y-pipe on eBay:

eBay Motors: 00-04 Ford F250-F350 6.8L V10 Performance Y Pipe (item 220404487173 end time May-07-09 14:53:00 PDT)


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Old 04-28-2009, 08:21 PM
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Quote:
Originally Posted by Furian View Post
My neighbor's exhaust dumps in front of the right rear tire. His is a SI/DO muffler. Maybe that makes a significant difference. He said that was the only thing that he installed (no cat removal or headers).
I believe you are correct. Magnaflow makes a complete SI/DO 3" kit for the F150 with dual tips exiting in front of the passenger's rear tire like you stated. A kid at my school has it on his OBS F250 w/ 5.8L (I think), and it sounds alot louder than my system.


On the topic of Y-Pipes, I thought I saw one somewhere that was a complete bolt-in, all the way up to the flanges that bolt to the manifolds.
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Old 04-28-2009, 08:24 PM
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Maybe not. I couldn't find it on fleabay or anywhere else for that matter. I have a hard time believing the claimed +33HP that the SDP Y-pipe adds.
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Old 04-28-2009, 08:33 PM
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Maybe not. I couldn't find it on fleabay or anywhere else for that matter. I have a hard time believing the claimed +33HP that the SDP Y-pipe adds.
Yeah, that may be overstated...
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Old 04-28-2009, 08:33 PM
 
 
 
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