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#26 |
Building Dreams out of Dimes!
Join Date: May 2005
Location: Bonham, Tx
Posts: 892
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Re: Anyone running Pypes street pro mufflers?
Will the xpipe work with headers and the stock transmission crossmember?
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1981 Chevy short/wide. SB400 350th |
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#27 |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Anyone running Pypes street pro mufflers?
the x pipe will wor with the transmission crossmember but you will have to do an s bend on 80's truck to clear the drivers side that hung low
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#28 | |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Anyone running Pypes street pro mufflers?
Quote:
the only reason a 3inch x pipe may not drone so much is the exhaust velocity is lower and egual among the tubes,
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#29 |
I know the pieces fit
Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
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Re: Anyone running Pypes street pro mufflers?
I'm looking at running a pair of Magnaflows, 3" I/O, 18" case length and 6" case diameter. I've never run an x-pipe before and don't know if it's worth it.
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#30 |
Registered User
![]() Join Date: Feb 2009
Location: Scottsdale, AZ
Posts: 390
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Re: Anyone running Pypes street pro mufflers?
I just received a set of Hedman Longtubes for my '80 K20 longbed. Any idea if an X pipe setup would work? Summit 'claims' the Pypes complete system will work...
I currently have the stock manifolds and turndowns just aft of the unknown mufflers. Last visit to Emissions they refused to test it as they had in the past, citing liability concerns of putting the hoses up and over the rear axle. ![]()
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-Don- '66 ![]() '77 ![]() '80 ![]() '04 Denali XL '05 DMax CCLB 4x Have a Hickey Sidewinder Winch and need the owners/install manual? Send me a PM with your email address and I'll forward you a .pdf ![]() |
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#31 | |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Anyone running Pypes street pro mufflers?
Quote:
ultimitly you decide if you want to pay a little extra the way I see it go all in and never regrett
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#32 | |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Anyone running Pypes street pro mufflers?
Quote:
so you still need an s bend over the 80s trans crossmember and extensions to go to the header my system is the universal x pipe from pypes $149 and spintech mufflers $182 and some u bend piping $30x 2 so thats a total of $391 so the price they are selling for isnt to bad i suppose
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#33 |
I know the pieces fit
Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
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Re: Anyone running Pypes street pro mufflers?
My combo will be around 425 hp on the motor and 550 on the bottle but I was advised to run 3" pipe by someone I trust well. I'd thought 2.5" would be plenty but I'm taking his advice.
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#34 |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Anyone running Pypes street pro mufflers?
yah 3 inch will be fine especialy if your going to run it on the track, for a daily driver that see's very little track duty 2.5 is suffecient i have about 420 hp on mine and as far as im concerned v8s make plaenty of torque and im not to concerned about 10 or 20lbs down low
hondas can worry about that lol
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#35 | |
I know the pieces fit
Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
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Re: Anyone running Pypes street pro mufflers?
Quote:
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#36 |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Anyone running Pypes street pro mufflers?
the early 73 up crossmembers from what i hear dont have that low hang, im not sure but im going to look into it soon myself
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#37 |
I know the pieces fit
Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
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Re: Anyone running Pypes street pro mufflers?
Let me know what you find, I want to get rid of that bend myself.
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#38 |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Anyone running Pypes street pro mufflers?
same here
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#39 |
Registered User
![]() Join Date: Apr 2009
Location: San Antonio, Tx.
Posts: 74
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Re: Anyone running Pypes street pro mufflers?
If you are lucky enough to find a "double hump" crossmember, you don't have to worry about the S bend to clear the crossmember. Or, do like I did.. and go with an aftermarket one. Here is what I used:
http://*************/crossmembers/63-...on-crossmember As well, I am running the Hedmann Elite long tubes.. and the exhaust runs straight back from there. It hangs just a bit under the frame, but unless you are really low with your suspension, it is not a problem! By the way, for now I am just running the bone stock 305 in the truck and with straight dual 2.5 pipes and longtubes, I have not felt any low end power loss. Not enough for my rearend dyno to tell anyhow. I think that is over-hyped really! Eventually, I will put an X pipe in there just to tone down the exhaust note a bit.. but I have never noticed a difference with power gains with crossover pipes either. Now, if you are running 500+ hp, I am sure that is a different story!
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84 SWB C10 Project |
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#40 |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Anyone running Pypes street pro mufflers?
i know about the double humps but from what i heard also is the early squares didnt have cats on them so no need for a low 2 into one section
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#41 |
Registered User
![]() Join Date: Feb 2009
Location: Scottsdale, AZ
Posts: 390
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Re: Anyone running Pypes street pro mufflers?
Not sure what you guys mean by a double hump, but since I'm talking about a 4x4 with a SM465, I just went to the shop and took a look. An X would be tough, needing to go right under the tailshaft. So I'll pass, and just hope for the best.
I just hope these Hedmans clear the Z bar for the clutch!
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-Don- '66 ![]() '77 ![]() '80 ![]() '04 Denali XL '05 DMax CCLB 4x Have a Hickey Sidewinder Winch and need the owners/install manual? Send me a PM with your email address and I'll forward you a .pdf ![]() |
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