Exhaust question

amrcnmscle · December 13th, 2008, 12:51 PM

im re-doing my exhaust on a 1969 cutlass and i have a 350 rocket and will put on flowtech headers and 3 inch pipes that come out in front of the wheels, my question is what would be the best selection for a muffler to get a nice deep old school rumble out of it. i want it loud and deep. please give any advice....

joe_padavano · December 13th, 2008, 01:16 PM

Quote:

Originally Posted by amrcnmscle

im re-doing my exhaust on a 1969 cutlass and i have a 350 rocket and will put on flowtech headers and 3 inch pipes that come out in front of the wheels, my question is what would be the best selection for a muffler to get a nice deep old school rumble out of it. i want it loud and deep. please give any advice....

Walker Dynomax mufflers consistently outflow the (no)Flowmasters in magazine tests and are much less obnoxious and droning. Of course, a 350 probably can't use 3" pipes. Go with the less expensive 2.5" pipes and use an X pipe.

The Stickman · December 13th, 2008, 05:57 PM

Also keep in mind that some states it is illegal to have the pipes come out in front of the rear wheel because the fumes could get into the passenger compartment.

85olds442 · December 13th, 2008, 06:28 PM

The Dynomax Race Magnum mufflers are really Loud and flow really well. I agree that
2 1/2" would be the way to go for size, unless you have ALOT of compression and Alot of Head work. 3 " you would be louder, but you would sacrifice low end torque. The Flow Path mufflers flow Really good and are really loud, however I do not know if they still make them. Personally I would use the Dynomax Super Turbo Mufflers, because they have a old school sound and flow REALLY GOOD!!!! Hope this helps.

Eric Anderson · December 13th, 2008, 07:35 PM

I'll vote 2 1/2 " with x pipe also you can go with mandrel bent pipes for a couple exta $'s and as for Dyonomax, IMHO the best, I've used them on most vehicles I've owned( all that I've changed the ex. on you can't go wrong with them)

projectheaven · December 13th, 2008, 10:31 PM

http://www.youtube.com/watch?v=hbBAylkOoNw

Here's a sound clip of my exhaust.Sorry for the long video. I have 40 series flowmasters,dual exhaust with flowtech headers and new 2.5 inch pipes from the full length headers to the 4 inch exhaust tips behind the rear wheels.
I'm glad to hear that you want to keep it loud. 3 inch exhaust maybe overkill though.I have a 350 rocket but am swapping a 455 in the next few weeks.I'll go with 3 inch exhaust then.
Good luck with whatever you decide to do.

amrcnmscle · December 16th, 2008, 02:41 PM

does anyone know if it is illegal to have the exhaust in front of the rear wheels in the state of florida? i cant find information on it

thnks

Oldsguy · December 17th, 2008, 06:21 AM

If you state requires vehicle inspections just ask any station or shop that does them. They can tell you yes or no.

88 coupe · December 17th, 2008, 07:53 AM

Or any muffler shop.

Norm

December 13th, 2008, 12:51 PM	#1 (permalink)
amrcnmscle 69 cutlass owner Join Date: Dec 2008 Location: Sorrento, Florida Posts: 9	Exhaust question im re-doing my exhaust on a 1969 cutlass and i have a 350 rocket and will put on flowtech headers and 3 inch pipes that come out in front of the wheels, my question is what would be the best selection for a muffler to get a nice deep old school rumble out of it. i want it loud and deep. please give any advice....

December 13th, 2008, 05:57 PM	#3 (permalink)
The Stickman Registered User Join Date: Nov 2008 Location: Lehigh Valley Pa Posts: 313	Also keep in mind that some states it is illegal to have the pipes come out in front of the rear wheel because the fumes could get into the passenger compartment. __________________ 1979 Olds Cutlass Cruiser ChopTop delivery 1984 IMSA Super Duty powered Fiero 1984 Olds Rocket 88 Custom(BattleCruiser)Cruiser 1996 Subaru wagon 2000 Totalled Dodge Caravan.

December 13th, 2008, 07:35 PM	#5 (permalink)
Eric Anderson Registered User Join Date: Oct 2008 Location: North East PA Posts: 362	I'll vote 2 1/2 " with x pipe also you can go with mandrel bent pipes for a couple exta $'s and as for Dyonomax, IMHO the best, I've used them on most vehicles I've owned( all that I've changed the ex. on you can't go wrong with them) __________________ My70Cutlasshe who has the most toys when he dies...wins

December 13th, 2008, 10:31 PM	#6 (permalink)
projectheaven Registered User Join Date: Dec 2007 Location: San Francisco bay area Posts: 180	http://www.youtube.com/watch?v=hbBAylkOoNw Here's a sound clip of my exhaust.Sorry for the long video. I have 40 series flowmasters,dual exhaust with flowtech headers and new 2.5 inch pipes from the full length headers to the 4 inch exhaust tips behind the rear wheels. I'm glad to hear that you want to keep it loud. 3 inch exhaust maybe overkill though.I have a 350 rocket but am swapping a 455 in the next few weeks.I'll go with 3 inch exhaust then. Good luck with whatever you decide to do. __________________ ____________________ 96 Impala ss 96 Buick Rivera(supercharged) 00 Yamaha R1

December 17th, 2008, 06:21 AM	#8 (permalink)
Oldsguy Hot Rodder at heart Administrator Join Date: May 2004 Location: Lees Summit MO Posts: 5,360	If you state requires vehicle inspections just ask any station or shop that does them. They can tell you yes or no. __________________ Dan '77 Cutlass Supreme '46 2 door "The rocket 455.....it's a sledgehammer approach to a thumbtack world" LuxBlue of HAMB.

December 13th, 2008, 06:28 PM	#4 (permalink)
85olds442 Registered User Join Date: Nov 2008 Location: Colorado Posts: 15	The Dynomax Race Magnum mufflers are really Loud and flow really well. I agree that 2 1/2" would be the way to go for size, unless you have ALOT of compression and Alot of Head work. 3 " you would be louder, but you would sacrifice low end torque. The Flow Path mufflers flow Really good and are really loud, however I do not know if they still make them. Personally I would use the Dynomax Super Turbo Mufflers, because they have a old school sound and flow REALLY GOOD!!!! Hope this helps.

December 16th, 2008, 02:41 PM	#7 (permalink)
amrcnmscle 69 cutlass owner Join Date: Dec 2008 Location: Sorrento, Florida Posts: 9	does anyone know if it is illegal to have the exhaust in front of the rear wheels in the state of florida? i cant find information on it thnks

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