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Old 08-22-2010, 06:58 PM   #1
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Straight pipe on straight six?

How Bad would a straight pipe on a straight six cyl be?

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Old 08-22-2010, 07:02 PM   #2
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I'd guess it'd prolly sound like crap (and loud)... but never heard one...so dunno for sure.

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Old 08-22-2010, 07:04 PM   #3
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It would sound like a redneck wanna-be hot rod,or a fart pipe on a Honda Civic-TERRIBLE!
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Old 08-22-2010, 07:15 PM   #4
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Straight-six engines sound like crap with a straight pipe. It takes a V8 to be able to pull that off.
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Old 08-22-2010, 07:19 PM   #5
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The other day i heard a straight six that cracked the manifold right at the collector and it was insanely loud and actually sounded badass. But the thing is if your going to have your jeep sound like that you have to have the power to back it up
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Old 08-22-2010, 07:21 PM   #6
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just throw a flowmaster on it. Still be legal and sound good too.
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Old 08-22-2010, 07:35 PM   #7
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Straight pipe on straight six

I aint heard every straight six on straight pipes but i never heard a wrangler that i didnt love lol
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Old 08-22-2010, 09:45 PM   #8
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A buddy of mine ran dual glass-packs when he had to redo his exhaust to fit a LA suspension. He ran them so they exited just under the doors. Sounded like $h!t. I hated riding in his Jeep because of that stupid exhaust.
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Old 08-22-2010, 09:50 PM   #9
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I ran mine for a quick cruise before throwing on my Flowmaster 50 and it was loud and annoying. No HP pick up, if anything I lost a little low end. Like Jerry said you need a V-8 to pull it off properly and I would agree.
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Old 08-22-2010, 09:54 PM   #10
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I ran mine for a quick cruise before throwing on my Flowmaster 50 and it was loud and annoying. No HP pick up, if anything I lost a little low end. Like Jerry said you need a V-8 to pull it off properly and I would agree.
Do you like that Flowmaster 50? How does it sound? Did you do a Cat-back or just the muffler? (Sorry for all the questions.... )
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Old 08-22-2010, 10:06 PM   #11
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I like the Flowmaster 50. It is just the Cat back with a 2.5" pipe. My stock muffler rusted out after 10 years and I had to replace it. It has a nice low rumble at idle and you can definitely tell it is not stock, but not too loud to attract the wrong attention. If I could do it all over again I would run the same setup. I just back from a trip to Moab and although louder on the highway it was not annoying like some mufflers.
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Old 08-22-2010, 10:08 PM   #12
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Cool. Thanks.
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Old 08-22-2010, 10:15 PM   #13
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I have a cheap no name glasspack on my Jeep and it sounds great IMO, i get complements on it all the time. I cut off the old one,welded on the new, and put a down pipe on it, i think tail pipes on Jeeps look dumb and just end up getting destroyed.
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Old 08-22-2010, 11:16 PM   #14
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I've been told, if you're gonna run a glasspack on a smaller engine...get the longest one you can. The short ones are the ones that are loud and raspy...they sound great on big engines (they'll roar), but the longer glasspacks give a throatier, less raspy sound.
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Old 09-30-2011, 11:40 PM   #15
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What about cutting out the Cat? I've heard that will save on gas mileage as well. I have a 98 TJ 4cyl and was wanting to test that theory since there are no emission checks in SC
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Old 10-01-2011, 12:01 AM   #16
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What about cutting out the Cat? I've heard that will save on gas mileage as well. I have a 98 TJ 4cyl and was wanting to test that theory since there are no emission checks in SC
i dont see how cutting ur O2 sencers out would help MPG......
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Old 10-01-2011, 12:04 AM   #17
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when installing my monster exhaust i turned my 4.0l on after removing the old muffler. It sounded very aggressive at idle (never left idle or my driveway). It was far too loud to not instantly get pulled over. Personally love my banks if you want something better sounding but not anyoing.
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Old 10-01-2011, 12:24 AM   #18
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when installing my monster exhaust i turned my 4.0l on after removing the old muffler. It sounded very aggressive at idle (never left idle or my driveway). It was far too loud to not instantly get pulled over. Personally love my banks if you want something better sounding but not anyoing.
X2 LOVE my Banks deepest sounding rumble on a jeep you can get I think.
Dont run a straight pipe it sounds like crap I tried it back in high school and did not like it.
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Old 10-01-2011, 03:38 AM   #19
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Old 10-01-2011, 06:23 AM   #20
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banks!!!
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Old 10-01-2011, 09:00 AM   #21
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I lost the front exhaust gasket on my old Dodge Dart (basically the same straight-six Chrysler engine, but carbureted), and while I had it open to fix, I fired it up "just to see". Sounded like crap. That was with about 3'-4' of pipe.

Nice glasspack will sound a lot better, and not get the neighbors p-o'ed at you.

Depending on your local laws, it still might get Ossifer Friendly interested in you, though.
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Old 10-01-2011, 09:25 AM   #22
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ever been to the zoo and heard to an elephant fart in the swimming pool?

yea, a straight pipe'd 4.0L I-6 sounds a lot like that.
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Old 10-01-2011, 10:12 AM   #23
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ever been to the zoo and heard to an elephant fart in the swimming pool?

yea, a straight pipe'd 4.0L I-6 sounds a lot like that.
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Old 10-01-2011, 10:27 AM   #24
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no wonder all ponds and pools at zoos are all brownish colored.
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Old 10-01-2011, 11:56 AM   #25
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ever been to the zoo and heard to an elephant fart in the swimming pool?

yea, a straight pipe'd 4.0L I-6 sounds a lot like that.

That is TOO good!!!!!
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Old 01-17-2015, 12:38 PM   #26
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Went to a truck meet the other say, saw this jeep there, thought it sounded pretty good for straight pipes
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Old 01-17-2015, 11:29 PM   #27
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Straight pipes reminds me of this (I did plow with a IH400 too. :-) )

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