1984 exhaust

[honerboys]

does anyone have a picture of a 1984 928 exhaust system - my car has nothing on it at present and i'd like to at least see what it is i'm looking for - thanks

[Landseer]

Stock is the single pipe system below.


The dual system was built for an 84 using an Eastern Cat for 85, and a few magnaflow units. Quiet.
Note the same side offset on the mid magnaflows. See the arrows --- system was built for 5 spd, but when fitted to 84 automatic trans car the passenger side magnaflow was too close to the trans fill reservoir. Its on a manual 84 car now.
And someday I'll have the tips reworked / do surgery on that final muffler to bring them together.


There are lots of options for self-built systems. Not shown, but desireable, would be Y-down pipes, to single high flow cat, to single rear muffler, single tip.--- something similar to the next post.

[Landseer]

Here's a loud exhaust built for an 84 Euro.
Headers, bullet mufflers (don't do much muffling), Flowmaster short Y adapter, Spintec (little muffling going on there, either). Big dia. 3 or 3 1/4.

(Instead, you could forget the special headers, and buy a Y pipe to mate to existing 84 cast iron manifolds, then cat...etc.)

[Landseer]

Many guys have ditched their original exhausts. Surplus!

With little work, its possible to adapt a later 32V exhaust directly to the 84 manifolds.
Then, after the dual discharge cats, Y-adapt it back to a single 3" pipe for the run out the back.
Best done with a rear muffler of some sort.
I've got two such systems on 84 cars.
Nice thing is they look like emissions compliant original systems up through the cats, if that matters.

[Pete R]

Originally Posted by Landseer

the the hell? do you own a bear?

[honerboys]

thanks - now i have some idea how to run them

[Smokin' Joe]

There are lots of options for self-built systems. Not shown, but desireable, would be Y-down pipes, to single high flow cat, to single rear muffler, single tip.

This is what I had done to my 86 and it sounds very good. I have a 18" Magnaflow with a large oval tip in the stock location. Nice and loud when the skinny peddle is on the carpet but quiet when just cruising down the freeway. No drone at all and most importantly it does not sound like a SB chevy with rusted out mufflers.

When I was pulling it off the rack at the muffler shop the guy next to me with a new Camaro SS could not believe that old fern car sounded that good.

[Landseer]

Pete,
Yeah, sorta:

[MPDano]

Unless you got a tiny head, that is a Bear Dog.

[Pete R]

awesome dog. How much hair is in that Suburban? lol A guy up the street has a huge bull mastiff, freaks me out every time I drive by and he's out (sorry for the jack)

[Landseer]

Since we've answered the 84 exhaust question, about the bear dog.

A lot of hair. And slobber.

Like the 928s, the newfie was a rescue. The suburban is the tool of choice in rescue work.



Here's before and after. Check out the delta in dignity :

[Pete R]

^ doesn't get happier than that
nice shot