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This is a discussion on Opinions on this 4.3 exhaust?? within the Exhaust forums, part of the Performance category; One of my dad's friends wants a good sounding/performing exhaust on his 98 RCSB 1500 4.3 vortec. It runs pretty ...
One of my dad's friends wants a good sounding/performing exhaust on his 98 RCSB 1500 4.3 vortec. It runs pretty good now but he wants more, and said better sound/mpg would be awesome too(has stock exh. now)
He said he'll pay me to install it
sooo....
Pacesetter headers. (probably end up gettin ceramic)
http://www.summitracing.com/parts/PSM-70-1321/
Magnaflow Y-pipe/converter. High flow
http://www.summitracing.com/parts/MPE-23457/
Dynomax Super turbo Dual catback
http://www.summitracing.com/parts/WL...2/?image=large
My question is, Do you think the Headers would go right up to the Y-pipe?? I mean the Y-pipe is direct replacement (if you have stock manifolds)...most shorty headers are manifold replacement and will go right up to the factory Y-pipe.
Don't tell me about a V8 swap.. Or shorties are a waste. Its not my truck. I'm doing some research for the guy and might make some money doing something i love to do
Thanks
Brandon
Last edited by crossy's son; 09-30-2009 at 03:46 PM.
91 Dodge 4x4 12v Cummins Intercooled/5 speed, D60 & D70 rear w/ 3.55's and a Powr-Lok--- Lots of fuel and some boost-
SOLD-- 91 Reg. cab shortbed GMC, Black on black, 350tbi crate, 5 speed w/hurst shifter, 3.42 G80--- Over 400,000 miles on body
If anybody has any experience and can peice me together a relatively "bolt up" exhaust that'd be great... I have no experience with 4.3's and it sucks shopping for them in a fullsize.
The collector diameter on the headers is 2.5" which sounds big... and the magnalfow Y-pipe looks to have 2.25"
Whatever happened to the headers coming with the Y-pipe !!
91 Dodge 4x4 12v Cummins Intercooled/5 speed, D60 & D70 rear w/ 3.55's and a Powr-Lok--- Lots of fuel and some boost-
SOLD-- 91 Reg. cab shortbed GMC, Black on black, 350tbi crate, 5 speed w/hurst shifter, 3.42 G80--- Over 400,000 miles on body
bump
91 Dodge 4x4 12v Cummins Intercooled/5 speed, D60 & D70 rear w/ 3.55's and a Powr-Lok--- Lots of fuel and some boost-
SOLD-- 91 Reg. cab shortbed GMC, Black on black, 350tbi crate, 5 speed w/hurst shifter, 3.42 G80--- Over 400,000 miles on body
Might want to call Summit before you order anything to see if they can tell you the exact specs of the header collector size and y-pipe inlet size. At any rate, i'd go 2.5" to the muffler, 3" will be too large for a V6 as it's almost too large for my 305 and my low end torque decreased when I upsized my piping and a V6 in a full size truck needs all the torque it can get. Other that that, looks good but the Summit Turbo dual catback is cheaper.
Last edited by SierraDan; 10-05-2009 at 05:10 PM.
95 Sierra C1500 SL
99 Suburban K1500 LT
Thanks! i may just give them a call tomorrow....
I need to find a pair of headers that come with the y-pipe....
and the truck has to have a cat to pass inspection.
91 Dodge 4x4 12v Cummins Intercooled/5 speed, D60 & D70 rear w/ 3.55's and a Powr-Lok--- Lots of fuel and some boost-
SOLD-- 91 Reg. cab shortbed GMC, Black on black, 350tbi crate, 5 speed w/hurst shifter, 3.42 G80--- Over 400,000 miles on body
If you can find a y-pipe without a cat, go for a Thunderbolt cat, best bang for the buck I can find.
95 Sierra C1500 SL
99 Suburban K1500 LT
No offense and I know the truck is not yours, but I've never heard a V6 with exhaust that doesn't sound raspy. Just my .02
89 GMC Stepside 2WD 4/6 drop, working on the stroker again!!!
Y2K Chevy K3500 CCLB Dually 6.5, the Black Pearl.
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