Exhaust
Exhaust
Freshman User
Joined: Nov 2004
Posts: 26
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From: East TN
If You Want Loud.. Go With Flowmaster, It's Gonna Be Your Loudest. I Just Recently Put 30 Series (single Chamber) True Duals On Mine With 4 Inch Stainless Steel Tips. It Sounds Great Imo, Exactly What I Wanted, The Loudest I've Heard On One So Far. But Still Pretty Quiet In The Cab.
Senior User
Joined: Jun 2004
Posts: 313
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You will ultimately get the best flow with no muffler. On my 03 FX4, I put true dual exhuast "2 seperate pipes all the way back" from the cats back. 2.5" with 3" tips. The smaller 3" tips keeps it from being really loud with loud crackling sound compared to that of certain mufflers or even glass packs. The truck has a great deep sound but not too loud at all, and once you obviously hit overdrive the sound mellows out nicely. I can definately tell the difference in the power band with no muffler as well.
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Posting Guru
Joined: May 2004
Posts: 1,214
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From: Indiana
Your trying to say you lost power? hm...I used to have a 2001 4.2L V6 and I took the muffler off and ran a single pipe straight out the side and didn't notice anything. But now that I have a 2005 5.4L I want to take 2 of the 4 cats off and run true duals angled out the back. 2.5" pipe with 4" tips. That is my dream....but I don't want my truck to run bad after I do somethin like that..Do yall think it would?
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Posting Guru
Joined: Jul 2004
Posts: 1,322
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From: Northeast Ohio
Homer4.2, I think you might void your warranty and you may have a legal issue to deal with?Maybe some engine lights and loss of power, but it would be loud while it was able to run.Good Luck!
Posting Guru
Joined: Jul 2004
Posts: 1,322
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From: Northeast Ohio
You could ask your service advisor or manager what adverse consequences you would be facing if you removed two cats and ran true duals without mufflers.I personally think you could run the true duals without problems as long as you kept your cats on.Good Luck!
Freshman User
Joined: Nov 2004
Posts: 26
Likes: 0
From: East TN
Originally Posted by homer4.2
Your trying to say you lost power? hm...I used to have a 2001 4.2L V6 and I took the muffler off and ran a single pipe straight out the side and didn't notice anything. But now that I have a 2005 5.4L I want to take 2 of the 4 cats off and run true duals angled out the back. 2.5" pipe with 4" tips. That is my dream....but I don't want my truck to run bad after I do somethin like that..Do yall think it would?
This is the exact setup that i have, but i run them from the cats back. Don't take the cats off. You'll really like the sound.
Senior User
Joined: Aug 2004
Posts: 282
Likes: 0
I posted on this a long time ago, but probably good to surface the topic from time to time. I went the direct muffler replacement route and kept all the factory plumbing intact. I spent $85 at a local muffler shop for a Raven muffler and labor to weld it up. Sounds growly and deep, but not too loud. Can't beat the price and if it all falls down in 5 years I will probably get a low cost Jegs cat back or something.
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