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Thread: DIY muffler install w. clamps
11-15-2010, 01:49 PM #1
DIY muffler install w. clamps
How hard is it to install a aftermarket muffler using clamps? I know that my pipes are 3" inlet and outlet, so I need to get a muffler that is 3" in and out.
I'm going to use clamps and extra tubing from autozone. What size do the clamps need to be?2000 Silverado 5.3L Z71 4x4: K&N air filter:great:
11-15-2010, 02:31 PM #2
Getting ready to attempt the same project myself. I called summitracing.com and ordered the Magnaflow XL, 3" center in/out. I told them I wanted band-style clamps, as a member on this board suggested I get that kind. I was told there are two kinds, a lap and butt. Not only did the sales rep know which kind I should get, he knew the size too, and even explained how it was to be put together with the pipe. He was very helpful. You may want to call them. Just a suggestion from a total newbie.~Janet~My rig: 1993 Suburban K2500 & 16ft stock trailer.
11-15-2010, 02:48 PM #3
- Join Date
- Jul 2008
when I worked on cars back in 60's & 70's exhuast systems where clamped togeather from the factory it was easier for back yard mechanics to work on them.Mike :glasses:
2002 Silverado 2500HD 6.0 4:10 gears
11-16-2010, 01:03 PM #4
This should be a simple process. I'll have to slide under my truck first to see what I have to work with.
11-16-2010, 01:41 PM #5
Go to the mufflers manufactures website and they should list a direct replacement muffler so no pipe extension would be needed. A few days before the swap, soak the stock muffler and clamps with a rust desolver (WD 40, Blaster etc.)
11-24-2010, 06:03 PM #6
So I'm picking up a used Flowmaster original 40 series muffler. It's 2.5" in/out and one of the louder mufflers. I want something quieter but I'm going to put this bad boy on anyways.
My question is: How can I make the muffler quieter? Should I run all 2.5" tubing? Or can I stick something in the muffler to shut it up a lil?
Also, I believe my stock tubing is 3" so by downsizing the tube size, it should quiet the muffler down? Right?
11-24-2010, 11:45 PM #7
Install some new muffler bearings and that should take care of the noise.1999 Silverado Regular Cab Short Box
Black on Black, Line-X sprayed in bed liner
5.3 with K&N CAI, Texas Speed 220/220 cam with 112 deg LSA
Texas Speed computer Tune
American Racing Headers with Cats
4.11 gears front and back, with Eaton rear posi
Flowmaster 40series true duals
16X8 American Racing Nitros with 305/70/16 Goodyear MTR's
285's in the pic
If it ain't broke...........Give me a minute!
Im not completely useless, I can be used as a bad example...
11-29-2010, 05:21 PM #8
Too much turkey caused some laziness, thus, I ended up at the local muffler shop. $40 to install my ****. It's decent. not too loud but noticable. Highway criusing isn't bad depending upon my right foot.
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