Exhaust

by Redsway76 Mon Jun 01, 2009 12:53 am

Lets see ive been looking round and i think im going to attempt to fabricate my own H-pipe for my exhaust save a few bucks and do it my self however im debating is this the best bet for a street strip or should i just keep it straight pipes or even go x-pipe any input here would be helpful right now im running straight pipes but i figured a h-pipe would benefit a little in the torque department.

by moneypit73 Mon Jun 01, 2009 1:07 am

for the money and or time you will spend, wont make any diff with a 305, or even a stocker 350. now if your putting in a healthy 350 or 454, for sure a diff. i did it to mine, h-pipe, no diff in E.T.s at the track. still was slow!!! on the rebuild, same 2.5 exhaust and muffs car has gone 14.60s. stock was 16.30s, or slower!! was factory 2-barrel. not no more!!

by novaderrik Mon Jun 01, 2009 4:56 am

an X pipe will give it a bit of a different sound- i had a vortec headed, HOT cammed 10:1 355 that was good for 400 "magazine horsepower" in my 71 Nova. with the H pipe that came with the Flowmaster exhaust, it sounded pretty good- deep but mellow rumble at idle, and mean at WOT with a slight drone at highway speeds. when i put a Hedman X pipe in place of the H pipe, the idle mellowed out a bit, the drone went away, and it sounded flat out wicked at WOT- 5000 sounded like 7000, and 7000 was purely orgasmic.
but, as is always the case with things like this, every engine in every car will act different. but i will say that the 89 5.0 Mustang that one of my friends has sounds pretty wicked with the X pipe between the long tube headers and Flowmaster 40's- and it's only about a 300hp car.

by Limey SE Mon Jun 01, 2009 2:00 pm

and would you not know it i have a X-PIPE you need for sale

Exhaust Rimsoncarforsale001

by BlackChevelleSS Mon Jun 01, 2009 7:33 pm

is that 3"

by Limey SE Mon Jun 01, 2009 7:39 pm

yea i think so i can measure to be sure was gonna use it for mine but ended up with the whole pipe and muffler already welded together True duals 3"

by Redsway76 Mon Jun 01, 2009 10:12 pm

ahh i see if it were 2.5 id be interested it seems you have just bout everything i need limey lol

by Limey SE Mon Jun 01, 2009 10:23 pm

its 2 3/4 " one side 2.5" other

and yes i have alot of parts i was gonna use man but things fell into place with the build so gettin rid of all the things i wont be using

by Limey SE Mon Jun 01, 2009 10:25 pm

and i would imagine you could trim the one side down to get rid of the 2 3/4"

by BlackChevelleSS Mon Jun 01, 2009 10:53 pm

its 2-3/4 to be able to slip a 2-1/2 pipe inside it and weld.

by jonny o Wed Jun 03, 2009 4:19 pm

If you have the pipe, a torch and a welder, do it. If nothing else, it will smooth out the flow of oddly matched pipes or one side mandrel or one side crinkle.

If you have to pay anything more than 20 bucks for it, don't worry about it. I remember you telling us about your combo and it won't do much for your particular setup at this time....

...in my opinion.

by Limey SE Wed Jun 03, 2009 9:21 pm

actually thats all i paid for it Jonny O so thats all I want for it

you wont have to pay anything more than 20 bucks for it, well except the 5 bucks to get it to ya

by Redsway76 Fri Jun 05, 2009 6:45 pm

ok well i will prolly just do straight pipes for now i may eventually go way of x or h-pipe and i will get in touch with ya limey

by Limey SE Fri Jun 05, 2009 8:57 pm

well it is for sale and its only 20 buxs so whoever wants it

by j Sat Jun 06, 2009 12:42 pm

moneypit73 wrote:for the money and or time you will spend, wont make any diff with a 305, or even a stocker 350. now if your putting in a healthy 350 or 454, for sure a diff. i did it to mine, h-pipe, no diff in E.T.s at the track. still was slow!!! on the rebuild, same 2.5 exhaust and muffs car has gone 14.60s. stock was 16.30s, or slower!! was factory 2-barrel. not no more!!

when did this (14's) happen ? wheres the proof ? that car has never seen 14's !!! ha ha and by the way... adding an H-pipe will increase torque, and quiet the car down slightly. dont forget to mark the exhaust with a crayon, then drive the car around...the crayon mark will have burned off slightly...this is where the H-pipe should be installed !! jeff

by The Dude Sat Jun 06, 2009 7:37 pm

Good information to know about the crayon, j. I guess that makes sense. I'm starting to wonder myself what the advantage of dual exhaust is over a larger single. I mean one 3" tube flows more than or about the same (I forget) as dual 2 1/2, plus both banks are tied together all the way from the Y pipe back. Add in less expense, less weight, & not having to find a dual exhaust crossmember & single starts becoming appealing. My problem is not seeing 2 pipes exit the car looks uneven so I'm still up in the air on my exhaust.

I'm thinking of some Hooker Max Flows, but don't know how they sound on a SBC & I'm unsure of what size to go with or if I'm going dual or single yet. Decisions, decisions...........

by Limey SE Sat Jun 06, 2009 9:39 pm

you have to go to a sight that offers sound bytes of the differences and listen to them while having eyes closed to invision them......

by The Dude Sun Jun 07, 2009 12:46 am

OK I looked around & here's what I'm seeing, any thoughts?

I found a stang (nice sounding)
http://www.metacafe.com/watch/637026/1999_mustang_gt_hooker_maxflow_mufflers_idle_rev_sounds/

a 350 with dual 3" (too much exhaust for a stock 350 running on 7 cylinders, lol)
http://vids.myspace.com/index.cfm?fuseaction=vids.individual&videoid=8885157&searchid=16fed935-f5d8-48b0-b9aa-4a3112e6f7ad

& this Z28 that confuses me. He's running 2 different exhaust set ups?
https://www.youtube.com/watch?v=P5TD2WNdYeI

Just found this one, it's closest to my planned set up. F'ing LOUD!

http://www.fquick.com/videos/new_exhaust/1800#

They sound louder than what I keep reading about on the net. Most people say it's a quiet muffler until you really get into it. I heard them on a 5.0 rustang once & liked the lack of resonance inside, but I don't remember what size he was running. His sounded real close to the stang posted above. Maybe it's the cats that give it a deeper, softer tone?

by Limey SE Sun Jun 07, 2009 1:01 am

Rago this guy is running electric cutouts open for power closed for no power, and less police probs while closed as wel you heard the sound difference=======>>>& this Z28 that confuses me. He's running 2 different exhaust set ups?
https://www.youtube.com/watch?v=P5TD2WNdYeI

i like the one in the trailer park thats got a nice sound to it

by The Dude Sun Jun 07, 2009 1:11 am

Well normally that's what cut outs are for, but read his explanation & tell me what you think:

" Hedmann Headers, Hedmann Y-Pipe, Magnaflow Metallic core Spun converter, Summit cutout, Mccord power plate with a homemade resonator muffler/tip off of the MPP and then out the other side of the cutout is a dynomax mandrel I-pipe into a Hooker Max flow muffler and a single tailpipe."

2 exhaust set ups? Neither side is open exhaust like normal cut outs

Yeah the trailer park Blazer is similar to what I want to run unless I go 3" single. IDK yet.

by Limey SE Sun Jun 07, 2009 1:19 am

o yea didnt see that part yea that is weird ........ Embarassed

by Limey SE Sun Jun 07, 2009 1:54 am

i like this one alot it has flowmaster 40 series and sounds real nice .... https://www.youtube.com/watch?v=j97kabzMOYA&feature=related

by The Dude Sun Jun 07, 2009 2:02 am

Not a Flowmaster fan myself. I rode in my brother's truck with 40's on a trip once. The interior drone was just too much.

On a side note, that cam might be a poser cam, but I love the way it sounds! Beautiful car to boot.

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