Look another newbie here
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Joined: Aug 2008
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From: Clemson, SC
As long as the X pipe is close to right after where the pipes merge side-by side after where the original Y was it'll be alright. Dont have them right up to where the mufflers are.
As for headers, it depends what type you want, longtube or shorty, I would vote no on the header change, unless you putting longtubes with hi-flow cats in I wouldn't even bother with the headers.
As for headers, it depends what type you want, longtube or shorty, I would vote no on the header change, unless you putting longtubes with hi-flow cats in I wouldn't even bother with the headers.
Gonna be a big purchase if I do. I think I will want to eventually, but like I said now would be the time since Bill hasn't started on my Gryphon yet. Then I wouldn't have to redo my tunes down the road. If I get headers I'll definitely go with the Maggie high-flows and probably the bullets. (I assume the SLP would be loud as chit with the high-flows)
Really appreciate the help with all this! You're making it a lot easier on me.
Trying to upload the video now. Listening to it again makes me want to switch. I love the sound at idle, but revving or stepping on the gas is weak. You can tell from the video. It's hard to hear it but I'm revving it several times throughout (you can pick up on it by the popping at the end of each rev).
Last edited by mblouir; Sep 7, 2009 at 08:25 PM.
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From: Clemson, SC
Idle = Good
Rev = Crap
I may also go ahead and throw in high-flow cats since they are said to increase performance and mileage by a bit. I've seen you say, Darren, that the 2.25" pipe would be better for duals, but is more raspy than 2.5". If I'm more interested in sound than the minute difference at the low end should I stick with the 2.5" pipe I have already?
Rev = Crap
I may also go ahead and throw in high-flow cats since they are said to increase performance and mileage by a bit. I've seen you say, Darren, that the 2.25" pipe would be better for duals, but is more raspy than 2.5". If I'm more interested in sound than the minute difference at the low end should I stick with the 2.5" pipe I have already?
Last edited by mblouir; Sep 7, 2009 at 09:15 PM.
Technical Article Contributor
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From: St. Louis, MO
Your trucks sounds just about like mine. Thats the same problem i am running into. I'm also interested in the high flow cats. How much do they run usually not to high jack your thread just while you are on the topic.
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From: Clemson, SC
Feel free to hijack all you want, I'm here to learn.
They're about 65 bucks each.
http://www.amazon.com/MagnaFlow-9410.../dp/B000COPC16
They're about 65 bucks each.
http://www.amazon.com/MagnaFlow-9410.../dp/B000COPC16
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Joined: Sep 2009
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From: Lexington, SC
check out my thread about the exhaust system I have built before and am working on now, seriously when it's done you only have about 18 inches of exhaust and it is wayyyy loud, I'm sure with a 10 series FM it would be deafening, remember, in the exhaust world shorther=louder, but you'l probably lose LET
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From: Clemson, SC
From this thread: https://www.f150online.com/forums/ex...56hm-cats.html
So basically if you tow heavy weight you would want to look toward the specific models. Otherwise you can save money with a universal. I've been doing a lot of searching on here lately.
Bump.
After asking and receiving many recommendations for the 94106 cats I decided that it was finally go time. I went to performance peddler and read the big disclaimer saying something along the lines of make sure these fit. Since I wanted info straight from the source I e-mailed Magnaflow. They recommended the 99956HM cats.
According to the Maggie rep, "The particular part 94106 is a universal cat that has a maximum engine limit of a 6.2 L engine with a test weight of 6000lbs. The one that Magnaflow Engineers recommend is going to be the 99956HM which has also an engine limit of 6.2 L but a test weight of 6375lbs."
Does anyone know the sound difference? Besides the 99956HM is more that twice the amount of a 94106 which can be cost prohibitive.
After asking and receiving many recommendations for the 94106 cats I decided that it was finally go time. I went to performance peddler and read the big disclaimer saying something along the lines of make sure these fit. Since I wanted info straight from the source I e-mailed Magnaflow. They recommended the 99956HM cats.
According to the Maggie rep, "The particular part 94106 is a universal cat that has a maximum engine limit of a 6.2 L engine with a test weight of 6000lbs. The one that Magnaflow Engineers recommend is going to be the 99956HM which has also an engine limit of 6.2 L but a test weight of 6375lbs."
Does anyone know the sound difference? Besides the 99956HM is more that twice the amount of a 94106 which can be cost prohibitive.
Towing and hauling capabilities, it depends on how long the catalyst can last with the extreme heat of the engine blowing through the catalyst. The truck itself is already at 5000 - 5500lbs depending on body/drive train, so to still be able to haul a good amount you will want something that has a good GVWR rating.
So basically if you tow heavy weight you would want to look toward the specific models. Otherwise you can save money with a universal. I've been doing a lot of searching on here lately.
Thats Flowmaster for ya
2.25" would be better if you really rely on your low end power, as in towing 6,000lb trailers here & there, if your truck performs fine for you as is now then I wouldn't change it, i'd keep it 2.5" because the power will only get better with the X pipe, and muffler change, and hi-flow cats.
The Magnaflow 94006, 94106, 94306, and 94136 model cats from Magnaflow will work on your truck. The first 3 will require the O2 to be mounted after them to keep a CEL out, which will guarantee you have no CEL, the 94136 has an O2 boss in it like your OEMs, so as long as they are installed with the O2 end after the cats you shouldn't get a CEL either. Those are the cats that come in the Dynatech Longtube header kits. 94106 is the loudest, 94306 is the calmest ( meaning it lets out the volume, 94106 sounds cat-less which is a little raspy and more aggressive ).
I may also go ahead and throw in high-flow cats since they are said to increase performance and mileage by a bit. I've seen you say, Darren, that the 2.25" pipe would be better for duals, but is more raspy than 2.5". If I'm more interested in sound than the minute difference at the low end should I stick with the 2.5" pipe I have already?
The Magnaflow 94006, 94106, 94306, and 94136 model cats from Magnaflow will work on your truck. The first 3 will require the O2 to be mounted after them to keep a CEL out, which will guarantee you have no CEL, the 94136 has an O2 boss in it like your OEMs, so as long as they are installed with the O2 end after the cats you shouldn't get a CEL either. Those are the cats that come in the Dynatech Longtube header kits. 94106 is the loudest, 94306 is the calmest ( meaning it lets out the volume, 94106 sounds cat-less which is a little raspy and more aggressive ).
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From: Clemson, SC
Sweet deal. Thanks for all the help. I think since I'm going with high-flow cats the LMs would be a little too loud for me.
I really like the aggressive sound of Pat's and Mig's Bullet setups. Looks like I'm about to order two 94106 high-flow Maggie cats, two 12" Dynomax Bullets, a Maggie X-pipe, and some tips.
Does that sound good? If I get all that together would I just take it to a shop and have them cut and bend new pipe as necessary to get my tips going straight out the back? Do I need to tell them to put the O2 sensor back in after the high-flow cats or will they know that?
I really like the aggressive sound of Pat's and Mig's Bullet setups. Looks like I'm about to order two 94106 high-flow Maggie cats, two 12" Dynomax Bullets, a Maggie X-pipe, and some tips.
Does that sound good? If I get all that together would I just take it to a shop and have them cut and bend new pipe as necessary to get my tips going straight out the back? Do I need to tell them to put the O2 sensor back in after the high-flow cats or will they know that?
Originally Posted by Summit Racing
Order Number: 6671319
Purchased Items
Part # Item Box Status Price Qty Line Total
MPE-10791 X PIPE 2 1/2" Ready to Ship on
9/8/2009 $83.95 1 $83.95
MPE-94106 CATALYTIC CONVERTER Ready to Ship on
9/8/2009 $65.95 2 $131.90
WLK-24215 ROUND RACE BULLET MUFFLER Ready to Ship on
9/8/2009 $39.95 2 $79.90
NOTE - Final price total may vary on foreign orders, items shipped directly from the manufacturer, hazarous materials, or in other special circumstances—call Customer Service at 1-800-517-1035 if you have any questions. Part Total $295.75
Delivery & Handling $11.95
Total Charges $307.70
Purchased Items
Part # Item Box Status Price Qty Line Total
MPE-10791 X PIPE 2 1/2" Ready to Ship on
9/8/2009 $83.95 1 $83.95
MPE-94106 CATALYTIC CONVERTER Ready to Ship on
9/8/2009 $65.95 2 $131.90
WLK-24215 ROUND RACE BULLET MUFFLER Ready to Ship on
9/8/2009 $39.95 2 $79.90
NOTE - Final price total may vary on foreign orders, items shipped directly from the manufacturer, hazarous materials, or in other special circumstances—call Customer Service at 1-800-517-1035 if you have any questions. Part Total $295.75
Delivery & Handling $11.95
Total Charges $307.70
Last edited by mblouir; Sep 8, 2009 at 01:18 PM.
Sweet deal. Thanks for all the help. I think since I'm going with high-flow cats the LMs would be a little too loud for me.
I really like the aggressive sound of Pat's and Mig's Bullet setups. Looks like I'm about to order two 94106 high-flow Maggie cats, two 12" Dynomax Bullets, a Maggie X-pipe, and some tips.
Does that sound good? If I get all that together would I just take it to a shop and have them cut and bend new pipe as necessary to get my tips going straight out the back? Do I need to tell them to put the O2 sensor back in after the high-flow cats or will they know that?
I really like the aggressive sound of Pat's and Mig's Bullet setups. Looks like I'm about to order two 94106 high-flow Maggie cats, two 12" Dynomax Bullets, a Maggie X-pipe, and some tips.
Does that sound good? If I get all that together would I just take it to a shop and have them cut and bend new pipe as necessary to get my tips going straight out the back? Do I need to tell them to put the O2 sensor back in after the high-flow cats or will they know that?
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Senior Member
Joined: Aug 2008
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From: Clemson, SC
Will do, man, thanks. It was your WOT vid that sold me on the Bullets. I'm hoping with duals and the high flow cats it will be a bit louder.
I just called the shop in my area that does really good work. I still need to buy some tips because Summit Racing was out of the two black ones I was looking at. I don't want to have to paint them. He said it would be roughly $160 for the install.
I just called the shop in my area that does really good work. I still need to buy some tips because Summit Racing was out of the two black ones I was looking at. I don't want to have to paint them. He said it would be roughly $160 for the install.
Sounds like i'm gonna be jealious of you mblouir!, I was hoping to get the Bullets real soon but financial situations arwe holding me back a bit. Would love to hear how you trucks sounds before I cut into my system though 