Hey all, I've finally hit the point in the build where I'll be putting the finishing touches on the car and getting it together, and now I'm looking towards the exhaust. I've got the 3x2 full length headers, and wanted an old school nasty sound, figured on running a cherry bomb or two. The thing i was thinking was if I want to run a y into single, or duals with a crossover. Either way it will be a side exit, in front of the tire. I've heard that the dual sound is "unique," but that doesn't tell me much. Just looking for some inputs.

Just a reminder, the engine is a 225, 9.5:1 compression ratio, ersons 280 cam, heads are pocket ported and blended, stock size valves back cut, aluminium 2x1 manifold with a BBD.

If you're trying to make music, the recipe is duals all the way back without a crossover. Mufflers per your preference.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

In front of the wheels be ready to suck a lot of exhaust. I'll never do it again.

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'72 Duster 198 stock cam, 3:23's Hookers on jack stands for 8 years in the driveway
'79 Maxivan 360 Offy Qjet Comp RV cam/rusting in the driveway.
93 D350 160HP Cummins Auto Dually Clubcab needs a injector pump
2005 Golden Couch Buick

Question for Dan

2.25 or 2.5 all the way back for duals?

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Arizona Duster in Canada

I run 2" all the way with no cross over(that's about max in a late duster body with clutch linkage) , I have a nice rumbly sound under 1000 rpm, nice purr up to about 1500, and the Jag 6 cylinder 'roar' about 1800-2200, then it starts the 'rasp' after 2300, and it's just a fleet of Suzuki Bikes in the 'drag range' (3500-6200 rpm)...

Of course your intake and pietin selection will change some of this too...


-D.Idiot

I'd vote for 2" to keep velocity up.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

Music,oh yeah.I've got shorty headers on my rig,little bitty glass packs up close to collectors and 2 1/4's side by each all the way back kicked out behind the tires.Sweet,I mean it will break house windows if I had the brass to really let it rip If I feather it a little I can cruise by the local donut/coffee shop and the police don't even look up I'm talkin bout what real rap music should sound like.Thats what a 6cyl with twice pipes sounded like when I was puppy and it's what I got now Give it a shot you can always put some racket busters on the ends if its to much

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83 B-150 slant 6,4 speed. 79 B-300 360 pathfinder 4x4. 74 W-300 318 4x4 git-r-done 80 B-100 sl6,4speed

you get a lot of exhaust in the interior with this setup? i was thinking about doing it on my truck

How about grabbing a cam corder and posting some videos on youtube. There needs to be more slant six stuff on there (for research purposes of course!) - Blair

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Blair Furlotte
1979 Dodge Aspen 225 "Super Six" 3-speed
Original owner

Why is that?