Direct fit performance muffler replacement?
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From: Woodbury, MN
Direct fit performance muffler replacement?
I'm very new to this topic so sorry if this is common knowledge. Do companies make performance mufflers as a direct replacement for the OEM ones? I'd like to keep as much of the OEM equipment as possible but just replace the muffler with a Dynomax Super Turbo. I called a local muffler shop and they had no idea what I was talking about...or didn't listen. He was ready to sign me up for $950 worth of exhaust mods!!
Anyway, I'd like to keep costs down, increase volume, and it doesn't bother me if I keep the stock configuration. Thanks in advance.
Oh yeah, 2002 F150 4x4 w/ 5.4L
Anyway, I'd like to keep costs down, increase volume, and it doesn't bother me if I keep the stock configuration. Thanks in advance.
Oh yeah, 2002 F150 4x4 w/ 5.4L
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$950?????? 
Whew.....you can do it yourself for 1/10 of that. First find out the outside diameter of the exaust pipe at the muffler. Then order the muffler with the same pipe dimensions and configuration (offset or center inlet/outlet, etc). The muffler will have the inlet/outlet measured as inside diameter, so the pipe o.d. will fit inside the muffler inlet. At the rear, you may need a "spout", to extend the tailpipe up to the muffler, because aftermarkets are usually shorter than stock mufflers.
Then it's just a matter of cutting the pipe with a hacksaw or cutting wheel, fitting the muffler and "spout" in place, and clamping it together. Order a couple of universal hangers in case they're needed.
I replaced my Explorer muffler a couple weeks ago with a Hooker Aero Chamber. It's not a hard job at all, and takes maybe a couple hours.....
Whew.....you can do it yourself for 1/10 of that. First find out the outside diameter of the exaust pipe at the muffler. Then order the muffler with the same pipe dimensions and configuration (offset or center inlet/outlet, etc). The muffler will have the inlet/outlet measured as inside diameter, so the pipe o.d. will fit inside the muffler inlet. At the rear, you may need a "spout", to extend the tailpipe up to the muffler, because aftermarkets are usually shorter than stock mufflers.Then it's just a matter of cutting the pipe with a hacksaw or cutting wheel, fitting the muffler and "spout" in place, and clamping it together. Order a couple of universal hangers in case they're needed.
I replaced my Explorer muffler a couple weeks ago with a Hooker Aero Chamber. It's not a hard job at all, and takes maybe a couple hours.....
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Junior User
Joined: Jan 2004
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From: Woodbury, MN
sounds easy enough. Thanks for the advice! Time to crawl under the truck with a tape measure.
That $950 set up was for dual exhaust custom fitted to my truck and installed. WAY more than I wanted to have done!
That $950 set up was for dual exhaust custom fitted to my truck and installed. WAY more than I wanted to have done!
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Junior User
Joined: Jan 2004
Posts: 55
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From: Woodbury, MN
OK, I crawled under my truck and both the inlet and the outlet pipes are 2 1/2" diameter. the inlet is off to the side and the outlet is off to the other side (neither are in the center). So I took that information to Jegs' website and it looks like there's 2 mufflers available for my truck. Which one do I want?
1: 2-1/2'' Offset; 2-1/2'' Offset; 4-1/2'' x 9-3/4'' x 14''L - $49.99
2: 2-1/2'' Offset; 2-1/2'' Offset; 4-1/4'' x 9-3/4'' x 14''L - $34.99
Do I need to be concerned about the length? My stocker is 32". I know Thelonerangerxlt said that I'll need to add some pipe on the tailpipe end of things, but is one of those two pipes the one that I want?
Here's a link to the page on Jegs' website
Please let me know what you think...
Edit: is there a site sponsor that I could be going to? I see when I click on that link I posted it gives me a list of sponsors.
1: 2-1/2'' Offset; 2-1/2'' Offset; 4-1/2'' x 9-3/4'' x 14''L - $49.99
2: 2-1/2'' Offset; 2-1/2'' Offset; 4-1/4'' x 9-3/4'' x 14''L - $34.99
Do I need to be concerned about the length? My stocker is 32". I know Thelonerangerxlt said that I'll need to add some pipe on the tailpipe end of things, but is one of those two pipes the one that I want?
Here's a link to the page on Jegs' website
Please let me know what you think...
Edit: is there a site sponsor that I could be going to? I see when I click on that link I posted it gives me a list of sponsors.
Last edited by luttersj; May 18, 2004 at 08:07 PM.
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