Flowmaster 40 [Archive] - JKowners.com : Jeep Wrangler JK Forum

: Flowmaster 40


YV Rubi
03-30-2009, 06:08 PM
Just installed and sounds pretty good. Love the way its tucked out of the way.

Preacher
03-30-2009, 06:15 PM
I did the same thing....

The sound is OK, but I did it mostly because I couldn't freakin hear the motor at idle... :)

Not to mention, I bet it cut 15lbs off the vehicle weight, the stock muffler is 31" long!!!

MaRShiN
03-30-2009, 06:19 PM
I'm so scaredd of getting an exhaust and sounding like a Honda. Ive heard some pretty bad sound clips in the little bit of searching I did. Guess you cant hope for TOO much with a 3.8 V-6 but I would get this done tommorrow if I could find one that tucked away nicely and sounded good.

CONVICT
03-30-2009, 06:22 PM
Be a man and straight pipe it! lol I like the sound of it.

MaRShiN
03-30-2009, 06:24 PM
<-----see location. CARB and SMOG = pissed

WTF_LOL
03-30-2009, 06:41 PM
The stock muffler is held on with one bolt and a hanger.

Just pull your stocker off and throw it on if you need it for smog test:beer:

lohchief
03-30-2009, 06:42 PM
I did the FM 40 a while ago and I like it.It will NEVER sound as good as a V-8,but I don't care...........it BREATHS :shaking:

MaRShiN
03-30-2009, 06:44 PM
The stock muffler is held on with one bolt and a hanger.

Just pull your stocker off and throw it on if you need it for smog test:beer:



Wow didnt even look. . . . . heading for the garage now!! Thanx!!!

WTF_LOL
03-30-2009, 06:49 PM
Wow didnt even look. . . . . heading for the garage now!! Thanx!!!

one tip though...that one hanger is a ***** and will piss you off, lol. Lube it up with some wd-40 and I found some chanel locks to get it started and a pry bar to get it off helped.

One of the hangers I just cut in half, lol

MaRShiN
03-30-2009, 06:59 PM
yeah I was just about to post and ask lol. AND looks like Ill have to run to Kragen, dont have a 16mm deep enough for the bolt and my channel locks. . . . well channel locks are a bad idea anyway but they wont fit up thurr

SDMF
03-30-2009, 06:59 PM
Lube it up with some wd-40 and I found some chanel locks to get it started and a pry bar to get it off helped.

That's good advice, lube it up and go at it with a pry bar.

MaRShiN
03-30-2009, 07:16 PM
k back with the 15MM and have a beer, WD40 and pry on hand, be back in a bit. Gotta let it cool off now.

Sorry for the thread jack a little bit but WOO it's off!!

http://i9.photobucket.com/albums/a52/piercedupdude/IMG_1030.jpg

http://i9.photobucket.com/albums/a52/piercedupdude/IMG_1031.jpg

airric00
03-30-2009, 08:14 PM
k back with the 15MM and have a beer, WD40 and pry on hand, be back in a bit. Gotta let it cool off now.

Sorry for the thread jack a little bit but WOO it's off!!
/IMG_1031.jpg[/IMG]

Post up a sound clip of no muffler!! :mr-t:

WTF_LOL
03-30-2009, 08:14 PM
So...how did it sound? actually, maybe should start a new thread discussing it.

Sorry OP about the hijack

MaRShiN
03-30-2009, 08:28 PM
Just tried to grab a video w/ sound using my digital camera but the video has no sound. Think my cameras mic is busted and I dont know how to get video off my camcorder onto my PC :( Sounds ok. Definatly will let me know if Ive forgotten to shift or am over 3K RPMs heh. It does sound good in the 600-2000 range tho.

And yes sorry. Ill post up a new thread if I can get a sound clip of the muffler-less exhaust sound.

PhilD
03-31-2009, 05:15 AM
Just pull your stocker off and throw it on if you need it for smog test:beer:We don't have smog tests here, so I have no idea what they involve, but the muffler just deals with sound. The cats deal with pollution and they would still be there.

MaRShiN
03-31-2009, 07:29 AM
I believe not having a muffler is an automatic fail on the visual inspection. Its rough here. Automatic fail if any aftermarket engine parts (headers, CAI) do not have a CARB number on them also.

WTF_LOL
03-31-2009, 08:49 AM
I have heard of people in CA failing the SMOG based on the visual inspection before as well. Which is silly considering it has nothing to do with emisions like phil said

afoulk
04-01-2009, 04:06 AM
and I know here in PA, for state inspection, your exhaust must exit to the edge of the body. It can do this anywhere, as long as its behind the passenger compartment, which, on the jk's I guess would have to be all the way to the rear. I ran mine with the muffler off before I put my new exhaust on and I thought it sounded pretty good. Only thing I didnt' like was the popping out the exhaust when i left off the throttle.