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I have a 408 with aluminum heads and a 242-248 @ 0.050 .544 lift cam in a 73 Duster with a Tremec 5 speed and Dana 60 with a 3" exhaust out at the back bumper, stock-appearing A-body tips configuration. Dynomax Super Turbo mufflers. It currently has a set of old school Hooker 1 5/8" uncoated...

Anybody have a recommendation for lowest priced vendor on a set ofTTI's? I know they control the selling price, but I have heard that some vendors may offer free shipping and other incentives. Suggestions?

I have a set of Hooker ceramic coated ones that have few dings, but i will sell you cheap. Like $225 shipped?

Really!?!? My wife is bugged that I like old cars. She is bugged that they smell bad. She won't ride in my Duster because it make her hair stink, LOL. She does not know what headers are, much less being bugged because they don't look up to par.

She still does not know. She was away, and I rigged up plastic and a fan to pull out the fumes. :-\"

2 things: 1. I have 1" torsion bars, and the pass side header would rattle against it at idle, but I have alot of cam, too. 2. That paint will last about 5 minutes, and then they will start to rust, it is inevitable. When I did my rebuild 1.5 years ago, I had the headers sand blasted, I came...

I put the 3" system on my Duster, and I did have the Hooker Comps' Lots of tweeking and extra bending to get it to fit, and it is loud! However, My 1/4 mile time is the same now corked or uncorked, so the system does flow well.

Indeed :roll:

Anothe pic

FWIW, here is a pic of my Hooker comps (1 5/8" in 3" collector) before I installed the 3" exhaust from Summit. Looks to be in the same position as yours, but maybe move forward 1" or so, and with the flange rotated as well.

Mine were flattened a bit here (red arrow) on the Pass side, but once it was installed completely, we found it was not needed.

I bought the Summit 3" from summit, and had it installed on my 73 Duster for my 408 Stroker. It was a lot of trial and error to get it to fit without hitting anything. If I had to do it over, I would go 3" to the mufflers, and 2.5" over the axels, or maybe 2.5" all the way. I will say...

Wow! I wish the underside of my duster looked that clean.

try http://www.nicksclassicparts.com/ He gave me some favorble quotes about a year ago, may be worth a try...

Yea, I thought the same thing. May have to try that next time out.

Is it common for cars to run the same with headers vs. a free flow exhaust? Below are my previous bests, with open headers, and the new best, with 3", 3/8", jets, and better Bleach Box slick warmup. Notice how the ET is progressively better in all 4 measures. That is probably the Fuel...

That, and jetting, and Bleach Box got me about .15 under my previous best with open headers. The 3/8" fuel line did not hurt, but not sure if it actually helped.

Dragstrip results of Exhaust system upgrande and 3/8" line upgrade (from 5/16") are here: http://www.forabodiesonly.com/mopar/showthread.php?p=401901#post401901

1. I picked up a B-body rear with the intention of narrowing it, since I had already bought wheels, and their offset would not work with the wider B-Body. So I could not do as you are going to do. 2. By the time I costed everything out, it was going to add another $500 to the build (new axles &...

Replaced the 8.25 this summer with a much stronger Dana! :naka:

I finally decised to replace the 2.5" to Walker Super Turbo muffler into 2" over axles exhaust, and wanted something to flow my 408's gasses away. Uncorking the headers at the strip was worth 3 or 4 tenths (12.7's to 12.3's), so I knew I had plenty of backpressure. Since theirs no kil like...

Does anyone know for sure if they are a direct bolt on, no fab needed, for a 73 Duster with Hooker Comp 1 5/8's into 3" collectors?

Yes, I would like to know. I have been looking at the same kit to flow waste gas out of my 408. We have been running with headers uncorked, and it is worth about 3/10's in the quarter. My current is 2.5" into flowmasters into stock 2.0" over the axles. A little restricted, eh?

Now THAT's convenient!