Muffler delete info
Post Fiend
Joined: Jun 2006
Posts: 9,714
Likes: 2
From: White Mnt's,New Hampshire
Originally Posted by ryaneverk2
If you delete the muffler on the stock system, the sound characteristics will be the same as those sound clips from Kwikk, but the sound will not be as deep and low/rumbly. It'll be just slightly higher pitched, if that's the proper term.
New User
Joined: Jun 2006
Posts: 24
Likes: 0
Sorry for the delay in my answer but mine did NOT come with a cat and its a 2002 with the auto. It's also a California truck so it was suprising to me that it didn't. My truck is really loud... like if I come home late, I prolly wake up the neighbors... With the windows up, it's not much louder than stock though unless I drive next to a wall or through an underpass. I love how it sounds but I can't wait to do my 5 inch straight pipe. 
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Senior User
Joined: Mar 2005
Posts: 173
Likes: 0
From: Larkspur, CO
Well I finally got the muffler remved and a piece of straight pipe welded in (my local Meineke shop did the whole thing for $69). Sound is great, and there is very little difference in the sound from insie the cab - a slight drone at highway speeds is all. Sounds GREAT from outside though!
One question I do have is this - the pipe those guys welded in is a slightly smaller diameter than the rest of the exhaust. Anyone see any problems with this?
One question I do have is this - the pipe those guys welded in is a slightly smaller diameter than the rest of the exhaust. Anyone see any problems with this?
Logistics Pro
Joined: Mar 2004
Posts: 4,221
Likes: 3
It's only a problem if you run into high EGTs. And if you do, I doubt that one small piece would be a big enough restriction to make the difference... it'd be time for a full, larger exhaust, or to address EGTs otherwise. In other words, that pipe is probably no big deal if it's not 3.5" (probably 3"?) other than looking a little weird.
Laughing Gas
Joined: Jul 2003
Posts: 1,157
Likes: 1
From: Littleton, Colorado
The first thing I did before going 4" turbo back was weld in a 3" diameter piece in place of the muffler.
The turbo spooled much quicker and it was quite a bit quicker (speed wise) on the lower RPM end.
Most normal muffler shops like Midas, Meineke etc. only have 3" pipe and benders.
As ryaneverk2 stated your egt's will be a little higher so if you tow or get a chip or programmer you'll need to go a different route if you want any durability or longevity from the engine/turbo.
Austin
The turbo spooled much quicker and it was quite a bit quicker (speed wise) on the lower RPM end.
Most normal muffler shops like Midas, Meineke etc. only have 3" pipe and benders.
As ryaneverk2 stated your egt's will be a little higher so if you tow or get a chip or programmer you'll need to go a different route if you want any durability or longevity from the engine/turbo.
Austin
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