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4.9 guys, what kinda exhaust setup do you have? by kawana
Started on: 10-05-2009 09:00 PM
Replies: 22
Last post by: katatak on 07-21-2010 09:41 PM
kawana
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Report this Post10-05-2009 09:00 PM Click Here to See the Profile for kawanaClick Here to visit kawana's HomePageClick Here to Email kawanaSend a Private Message to kawanaDirect Link to This Post
Just like it says, what setup do you have? Anyone running a straight-pipe setup? Exhaust cutout? Audio clips would be awesome too! Opinions on how loud it is at idle, WOT etc..
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Report this Post10-05-2009 09:10 PM Click Here to See the Profile for josef644Click Here to Email josef644Send a Private Message to josef644Direct Link to This Post
I will be copying this system for mine in progress. It has a round converter, and a two outlet muffler. I have a custom made muffler for mine from up there in Canada. Shuttleworth muffler company. 2.5's in and out.

[This message has been edited by josef644 (edited 10-05-2009).]

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kawana
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Report this Post10-05-2009 09:38 PM Click Here to See the Profile for kawanaClick Here to visit kawana's HomePageClick Here to Email kawanaSend a Private Message to kawanaDirect Link to This Post
let me know how the custom muffler sounds, might have to get them to make me one too if it sounds good.
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josef644
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Report this Post10-05-2009 10:01 PM Click Here to See the Profile for josef644Click Here to Email josef644Send a Private Message to josef644Direct Link to This Post
Supposed to sound like a new Mustang V8
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Patrick
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Report this Post10-05-2009 10:05 PM Click Here to See the Profile for PatrickClick Here to Email PatrickSend a Private Message to PatrickDirect Link to This Post
 
quote
Originally posted by josef644:

Supposed to sound like a new Mustang V8



Is that necessarily a good thing?

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DanFiero
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Report this Post10-05-2009 10:18 PM Click Here to See the Profile for DanFieroClick Here to Email DanFieroSend a Private Message to DanFieroDirect Link to This Post


I took out the bottom half of my trunk for it (wife always follows in the minivan so storage is not an issue) and I believe if I remember correctly it's a Dynomax Muffler with elbows of each side of the muffler out to the tips.

Dan
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kawana
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Report this Post10-05-2009 10:25 PM Click Here to See the Profile for kawanaClick Here to visit kawana's HomePageClick Here to Email kawanaSend a Private Message to kawanaDirect Link to This Post
is it running? Id like to hear an audio clip or something if possible! BTW, how free-flowing are the stock manifolds?
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TEXASGT
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Report this Post10-05-2009 11:05 PM Click Here to See the Profile for TEXASGTSend a Private Message to TEXASGTDirect Link to This Post
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Report this Post10-06-2009 01:55 PM Click Here to See the Profile for Mickey_MooseClick Here to visit Mickey_Moose's HomePageClick Here to Email Mickey_MooseSend a Private Message to Mickey_MooseDirect Link to This Post
Sorry no sound clip (pictures of the cradle when I had it out the last time) - originally it barked way too loud when hard on the pedal (stock tips), so resonators were installed in a set of the new tips. Thinking of going with the Flowmaster 80 series in the future.


[This message has been edited by Mickey_Moose (edited 10-06-2009).]

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kawana
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Report this Post10-06-2009 07:57 PM Click Here to See the Profile for kawanaClick Here to visit kawana's HomePageClick Here to Email kawanaSend a Private Message to kawanaDirect Link to This Post
 
quote
Originally posted by TEXASGT:

Here you go, about half way down.

//www.fiero.nl/forum/Forum1/HTML/077634.html

Here is my video clip.

http://video.cardomain.com/...layer.aspx?id=708709



That sounds sick!
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fieroguru
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Report this Post10-06-2009 08:35 PM Click Here to See the Profile for fieroguruSend a Private Message to fieroguruDirect Link to This Post
Here is one that is straight piped:






Here I added these baffles to keep the O2 sensor happy and tone it down some:

[This message has been edited by fieroguru (edited 10-06-2009).]

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kawana
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Report this Post10-06-2009 09:01 PM Click Here to See the Profile for kawanaClick Here to visit kawana's HomePageClick Here to Email kawanaSend a Private Message to kawanaDirect Link to This Post
sounds good guru! May i ask why you had to do the little loop on the trunk side exhaust? I dont know anything about the mechanics of an exhaust system, but couldn't you have just come straight down instead of making the big Uturn
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fieroguru
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Report this Post10-07-2009 09:15 AM Click Here to See the Profile for fieroguruSend a Private Message to fieroguruDirect Link to This Post
 
quote
Originally posted by kawana:

sounds good guru! May i ask why you had to do the little loop on the trunk side exhaust? I dont know anything about the mechanics of an exhaust system, but couldn't you have just come straight down instead of making the big Uturn


I wanted to balance out the lengths of the pipes as best I could and try to keep the sound as docile as possible w/o mufflers. This car will eventually get some mufflers and the rest of the exhaust, but those can't be installed until the rebody is complete.
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kawana
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Report this Post10-07-2009 08:12 PM Click Here to See the Profile for kawanaClick Here to visit kawana's HomePageClick Here to Email kawanaSend a Private Message to kawanaDirect Link to This Post
Ah ok, gotcha. Nother bump... anyone else have some clips they want to add?
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twofatguys
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Report this Post07-21-2010 12:09 AM Click Here to See the Profile for twofatguysClick Here to Email twofatguysSend a Private Message to twofatguysDirect Link to This Post
I'm running true dual exhaust straight pipes. At the very end are some resonators.

I will have some clips. Working on it, gimme a week give or take.

Mine draws a crowd. I'm just worried that it'll draw the wrong kind of attention.

Brad

[This message has been edited by twofatguys (edited 07-21-2010).]

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Fieroseverywhere
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Report this Post07-21-2010 12:20 AM Click Here to See the Profile for FieroseverywhereClick Here to Email FieroseverywhereSend a Private Message to FieroseverywhereDirect Link to This Post
This thread came back from the dead.

Ive got something new to post anyway...
My $115 dollar exhaust system...


I'll have to post a sound clip later.
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twofatguys
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Report this Post07-21-2010 12:28 AM Click Here to See the Profile for twofatguysClick Here to Email twofatguysSend a Private Message to twofatguysDirect Link to This Post
Coming really fast. (barring an end of the world disaster. I had her pulled from one car, I have to repair a head gasket, and then she goes into another.





We were actually talking about my exhaust on MSN Chat, and silent brought this thread to my attention. There was a thread somewhere that had information on internal baffles. Anyone?

Brad
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Raydar
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Report this Post07-21-2010 12:51 AM Click Here to See the Profile for RaydarClick Here to Email RaydarSend a Private Message to RaydarDirect Link to This Post
I don't have any pics or sound clips, but I'm running a Y-pipe, similar to the stock V6, into a 2.5" mandrel bent system.
The cat is in the stock location. The pipe loops under the front of the pan, also in the stock location. It turns and feeds a glasspack that is (you guessed it) in the stock location. It exits on the left side, through a single C5 resonated dual tip.

It's pretty f'n loud.
Never been stopped, though.

------------------
Raydar
88 4.9 Formula IMSA Fasback..........................88 3.4 coupe -soon to be something other than red

Read Nealz Nuze! Praise the Lowered!

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josef644
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Report this Post07-21-2010 10:17 AM Click Here to See the Profile for josef644Click Here to Email josef644Send a Private Message to josef644Direct Link to This Post
Here is a two minuet video clip of my finished system. The engine starts up about ten seconds into the clip


Here it is taken from above


and behind


The stainless tips have resonators built into them.
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twofatguys
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Report this Post07-21-2010 10:58 AM Click Here to See the Profile for twofatguysClick Here to Email twofatguysSend a Private Message to twofatguysDirect Link to This Post
 
quote
Originally posted by Fieroseverywhere:

This thread came back from the dead.

Ive got something new to post anyway...
My $115 dollar exhaust system...


I'll have to post a sound clip later.


Can I have more information on that setup? And I believe your tags are expired.

Brad
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Fieroseverywhere
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Report this Post07-21-2010 11:29 AM Click Here to See the Profile for FieroseverywhereClick Here to Email FieroseverywhereSend a Private Message to FieroseverywhereDirect Link to This Post
 
quote
Originally posted by twofatguys:


Can I have more information on that setup? And I believe your tags are expired.

Brad


That pic was taken before they expired. Got new ones now.

Goal was to replace the exhaust system for under 150 dollars. Before this I was still using a modified fiero muffler (inlet opened to 2.5"). Bought everything from summit racing....

two 12" glass pack mufflers 2 1/4"ID $12.95 each.
http://www.summitracing.com/parts/JEX-A3512B/

two Hooker 2 1/8" ID "J" bend pipes $18.95 each.
http://www.summitracing.com/parts/HOK-12580HKR/

two stainless 2 1/4"ID, 3"OD round tips $20.95 each.
http://www.summitracing.com/parts/SUM-690051/

The rest of the system consists of 92 deville manifolds and crossover pipe, and the caddy outlet pipe. The crossover was modified slightly to clear the getrag shift cables using pieces from the old crossover. The outlet pipe was trimmed back. The cat was essentially cut down and welded back together to fit the much smaller space I needed it to fit in (heat shields were added after this pic was taken). Both bricks of catalyst are still inside. Fiero exhaust hangers were reused. Cut, fit, weld, repeat until everything fit the way I wanted it to.

It sounds awesome. Deffinately louder, but well within legal limits. Proof of concept has been done. Now I can find the higher quality parts for a final design in a couple years. I love how much more room there is under the car and near the starter. That pic was taken with the camera on the ground. Its just showing how well those 3.5" diameter mufflers actually tuck in. From a normal position you can't even see them. That is an 88 cradle in an 85GT so I'm not sure how well they will work with pre 88 fieros.

[This message has been edited by Fieroseverywhere (edited 07-21-2010).]

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jokerb90
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Report this Post07-21-2010 03:53 PM Click Here to See the Profile for jokerb90Send a Private Message to jokerb90Direct Link to This Post
this is my set-up, sorry no sound clip.

//www.fiero.nl/forum/Forum2/HTML/109085.html

it's actually quieter than I thought it would be -- probably because of all of the turns
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katatak
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Report this Post07-21-2010 09:41 PM Click Here to See the Profile for katatakSend a Private Message to katatakDirect Link to This Post
Here's mine - 4 Auto Zone 2.25" 90's, 1 - 45, a couple 2.25 straight pieces and 2 slightly used 20.00 turbo mufflers. Got about 80.00 into the whole thing - sounds great!



Without Mufflers:
http://www.youtube.com/watch?v=qvEJGvrri-8
http://www.youtube.com/watch?v=TIXAicNJzMQ

With Mufflers:
http://www.youtube.com/watch?v=PRJl4AgB7As

Pat

Edit to add - this setup will not fit a regular Fiero. This is in an XTC rebody - it's bout 5" longer in back!

[This message has been edited by katatak (edited 07-21-2010).]

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