Turbo diesel`s do they really need mufflers

Post by **stool** » Tue Sep 21, 2004 6:05 pm

What does everyone do for rego put muffler on or give the guy doing the cheeck a carton. That`s my only worry because im a plumber and could weld it up my self easy im just LAZY

Post by **ozy1** » Tue Sep 21, 2004 6:44 pm

stool wrote:What does everyone do for rego put muffler on or give the guy doing the cheeck a carton. That`s my only worry because im a plumber and could weld it up my self easy im just LAZY

your best bet would be to have the system made up with one muffler, to make it nice and quiet, But, have flanges welded at each end, and have a replacement pipe witht he sam flanges ready to go in, that way, if need be, they can be swapped out in a matter of 5 minutes,

the simple things in life are often the best................

Post by **Camshaft1** » Tue Sep 21, 2004 8:46 pm

Yeah did that with my old ute. I had a 308 with dual pipes with hotdogs. bloody loud but when i had to get it tested i just swapped em to mufflers. Passed every time.

Post by **hypo** » Tue Sep 21, 2004 10:06 pm

eliteforce32 wrote:im with hypo i ahve no muffler and like 4 feet of pipe dumping the gases and it has nice whistle at idle and yes it ***** loud when just over 1500rpm.....and a mate has a 79 ser. ute with denco turbo which dumps three inches passenger side door .......rumbles at 1200 rpm and scream when upen it!! but bearable in cab

dude i do have a muffler but it sounds the same with or without it, i reckon its a clean sound wif it..

Post by **rocknferoza** » Sun Sep 26, 2004 9:12 pm

I.M.P.O.S.E wrote:Ive got a mate running straight thru on a 75 series Turbo 2H no mufflers!
Crosses across behind the tray, about 4inch pipe!
LOUD! But sounds sweet as! Ask rocknferoza!

Sounds like a semi :armsup:

sounds very sweet, turbo whistles like crazy

Post by **I.M.P.O.S.E** » Sun Sep 26, 2004 11:11 pm

rocknferoza wrote:
I.M.P.O.S.E wrote:Ive got a mate running straight thru on a 75 series Turbo 2H no mufflers!
Crosses across behind the tray, about 4inch pipe!
LOUD! But sounds sweet as! Ask rocknferoza!

Sounds like a semi sounds very sweet, turbo whistles like crazy

It actually crosses in FRONT of tray BEHIND cab! Sorry!

Looks like a semi!

Post by **muddies** » Wed Sep 29, 2004 10:38 pm

ive got a4.2 tubo 3inch exaust no mufflers sounds sweet, not loud at all the turbo quietens it down.

Post by **big red** » Thu Sep 30, 2004 9:54 am

mine is a 3" straight thru which dumps behind the utes cab.
loud when under load but quiet when cruising and is not intrusive at all on long trips.

td42t in a gu ute.

Post by **stool** » Thu Sep 30, 2004 5:31 pm

Sound`s like i need to talk to my grease monkey he dose my rego and has two 4b`s and love`s wheeling { MABE HE WILL GIVE ME THE THUMBS UP} This rule that every car must have a muffler is crap my brother has a xr8 with 3" pipe and about two mufflers + cat and it`s friggin loud but he`s been pulled over once at full song . He got a noise warning . My sh#t tip is quiet against his

Post by **up2nogood** » Thu Sep 30, 2004 5:46 pm

Go see my old bus partner Pete at Kirrawee Mufflers, 453 The Boulevarde Kirrawee.
9542 4111.

He's got some bloody good straight through resonators with 3" internal tubing. No restriction and deaden the noise just enough.

Alex

Post by **morkz** » Fri Oct 01, 2004 8:00 am

I just did my GU 3" pipe no mufflers the turbo act like a muffler anyway it is noisier under load but isnt that what u were looking for neway.

I wouldnt be worried about the boys in blue, if your being smart arse infront of them they'll dick you for as much as you like.

in regards to EPA i think i'll be fine however my exhaust is built with flanges so it pull down to three parts so i can bolt on the old system easily from transfer case back.

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Turbo diesel`s do they really need mufflers

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