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Old 01-31-2011, 02:41 AM   #1
Revo1
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Question Got shorty headers? Give me your thoughts!

I know some of you guys are rockin shorties, so tell me- how do you like them? Did they make a significant difference in sound? ANY discernable gains- via rollers or just the ol butt dyno?

I know LT are preferable, but I'm in CA and want to hear from shorty users! Thanks for your povs!
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Old 01-31-2011, 03:30 AM   #2
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I haven't had shortys on an LS motor, but I have never seen a dyno that pointed to significant gain from shortys. I'm not gonna call them a total waste of money, but if you're not doing any engine mods I would keep the stock manifolds in your situation. Make sure you pay attention to any mods done along with the headers on dynos. I have seen at least one member here post before claiming what would be some pretty impressive numbers for just headers, but they were lumping it in with high flow cats and a tune, which actually made up for nearly the entire gain with maybe 5hp worth of it being the headers. the manifolds on LS engines are basically a cast iron shorty header. Not the greatest design, but one of the better stock manifolds out there.
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Old 01-31-2011, 03:59 AM   #3
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watching this, thinking about doin the same thing
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Old 01-31-2011, 04:51 AM   #4
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?

I did them; the response was better after doing so. I don’t have any numbers to back it up. The sound was a bit better, not like the LT headers. It was a good deep sound. I would say it was worth my time in putting them on! I put on the DT shorties
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Old 01-31-2011, 05:50 AM   #5
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I did the DT shorties as well. I felt a little on the butt dyno, but they completed the sound when I put my foot in it. They gave a more throaty tone to complete my FlowMaster setup. Also I show my car a lot, and they give the engine bay a better finished look.

This isn't my car, but the setup is the same. Also it gets much louder under WOT ...


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Old 01-31-2011, 07:39 AM   #6
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Quote:
Originally Posted by Wilburbeest View Post
I haven't had shortys on an LS motor, but I have never seen a dyno that pointed to significant gain from shortys. I'm not gonna call them a total waste of money, but if you're not doing any engine mods I would keep the stock manifolds in your situation. Make sure you pay attention to any mods done along with the headers on dynos. I have seen at least one member here post before claiming what would be some pretty impressive numbers for just headers, but they were lumping it in with high flow cats and a tune, which actually made up for nearly the entire gain with maybe 5hp worth of it being the headers. the manifolds on LS engines are basically a cast iron shorty header. Not the greatest design, but one of the better stock manifolds out there.
you obviously didn't read the OP. Your first sentence sums it up "I haven't had shortys on an LS motor..." . Thanks captain obvious!
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Old 01-31-2011, 08:05 AM   #7
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[The major or problem with shorty headers is that GM did such a great job with the factory manifolds. The major gains with long tubes are made with the length of the primaries, collector and moving the cats down stream. I know you live in cali but swaping back and forth from LT to the factory setup is not that bad for the SMOG as I think for you it s every 5 years??
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Old 01-31-2011, 08:28 AM   #8
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Quote:
Originally Posted by Snake Slayer View Post
[The major or problem with shorty headers is that GM did such a great job with the factory manifolds. The major gains with long tubes are made with the length of the primaries, collector and moving the cats down stream. I know you live in cali but swaping back and forth from LT to the factory setup is not that bad for the SMOG as I think for you it s every 5 years??
Nope, that would be every 2 years. Don't have to do the initial one till the 5th or 6th year...

I have the DT shorties. Def worth it IMO. On four counts:
1. weight! - much lighter than the cast iron boat anchors
2. performance - yes there is some to be had and you can feel it
3. sound - the stockers made the exhaust sound raspy and confused, these make it smooth and melodious
4. visual - these are ceramic coated (inside and out!) so are much nicer to look at than rusty boat anchors
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Old 01-31-2011, 08:33 AM   #9
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Quote:
Originally Posted by SlingShot View Post
I did the DT shorties as well. I felt a little on the butt dyno, but they completed the sound when I put my foot in it. They gave a more throaty tone to complete my FlowMaster setup. Also I show my car a lot, and they give the engine bay a better finished look.

This isn't my car, but the setup is the same. Also it gets much louder under WOT ...


This was the vid that sold me on the Flowmaster cat back. I love the sound it makes between shifts.... I'm still on the fence between HF cats/shorties or LT's. But with the snow, I still have a few more months to decide...

M
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Old 01-31-2011, 09:05 AM   #10
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Quote:
Originally Posted by Snake Slayer View Post
[The major or problem with shorty headers is that GM did such a great job with the factory manifolds. The major gains with long tubes are made with the length of the primaries, collector and moving the cats down stream. I know you live in cali but swaping back and forth from LT to the factory setup is not that bad for the SMOG as I think for you it s every 5 years??
thats what i was thinking.
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Old 01-31-2011, 10:10 AM   #11
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It's true, firs smog is after 5 years, after that it's every other.... LOL

Good to see some satisfied shorty customers out there, and thanks for not yellin at me to "just get LTs already"
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Old 01-31-2011, 10:14 AM   #12
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You guys can't even do Hi Flow Cats in Cali can you?
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Old 01-31-2011, 10:16 AM   #13
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Quote:
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It's true, firs smog is after 5 years, after that it's every other.... LOL

Good to see some satisfied shorty customers out there, and thanks for not yellin at me to "just get LTs already"
Just get LTs already!!! BWAHAHAHA. Just kidding bud!!! I have zero experience with Shorties just wanted to say HEY!!!

Smog check... Boo, one of the drawbacks of sunny California I suppose!!!
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Old 01-31-2011, 10:18 AM   #14
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You guys can't even do Hi Flow Cats in Cali can you?
Nope..."The Man" won't even let us move the cats 0.5", let alone replace them

Revo, ask TaylorRyan as well, he recently got JBA shorties installed
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Old 01-31-2011, 10:19 AM   #15
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you obviously didn't read the OP. Your first sentence sums it up "I haven't had shortys on an LS motor..." . Thanks captain obvious!
That doesn't mean I don't have my share of exposure to LS motors. Also doesn't mean I haven't used shortys before in a case where the stock manifolds were FAR worse than anything on an LS engine and still barely got anything. Do you have to eat shit to know it tastes like shit? I hope not.
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Old 01-31-2011, 10:20 AM   #16
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I was thinking of adding shortys to my setup also ,but purely for the sound I am hoping will result
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Old 01-31-2011, 10:24 AM   #17
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That doesn't mean I don't have my share of exposure to LS motors. Also doesn't mean I haven't used shortys before in a case where the stock manifolds were FAR worse than anything on an LS engine and still barely got anything. Do you have to eat shit to know it tastes like shit? I hope not.


Fantastic reply!
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Old 01-31-2011, 10:33 AM   #18
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Nope, that would be every 2 years. Don't have to do the initial one till the 5th or 6th year...

I have the DT shorties. Def worth it IMO. On four counts:
1. weight! - much lighter than the cast iron boat anchors
2. performance - yes there is some to be had and you can feel it
3. sound - the stockers made the exhaust sound raspy and confused, these make it smooth and melodious
4. visual - these are ceramic coated (inside and out!) so are much nicer to look at than rusty boat anchors
This is exactly everything I have heard and seen.
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Old 01-31-2011, 10:42 AM   #19
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Quote:
Originally Posted by Revo1 View Post
Good to see some satisfied shorty customers out there, and thanks for not yellin at me to "just get LTs already"
Yeah, I am tired of playin' the "how can I get it smogged on the side" game so I just went with what will pass the visual without grief...
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Old 01-31-2011, 10:45 AM   #20
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Revo1,
IMO a definite improvement, maybe not as much HP as long tubes but still an increase. Pairing the DT's with high flow cats and a magnaflow x pipe is a nice combination, SOP indicates more HP and torque as well as better sound. I've added the Magnaflow comp
axle back with Magnaflow 10416 mufflers to complete the exhaust, sweet sounding, aggressive but not overwhelming.
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Old 01-31-2011, 12:22 PM   #21
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one thing to keep in mind is although they might not add 40hp to your peak they help out a bit throughout the curve.
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Old 01-31-2011, 01:30 PM   #22
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Originally Posted by Wilburbeest View Post
That doesn't mean I don't have my share of exposure to LS motors. Also doesn't mean I haven't used shortys before in a case where the stock manifolds were FAR worse than anything on an LS engine and still barely got anything. Do you have to eat shit to know it tastes like shit? I hope not.
I don't know which of the following pictures best summarizes the above response...

Name:  fullofwin.jpg
Views: 540
Size:  30.6 KB

or

Name:  Not_A_Oneclean.JPG
Views: 527
Size:  51.7 KB
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Old 01-31-2011, 02:15 PM   #23
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Yeah, I am tired of playin' the "how can I get it smogged on the side" game so I just went with what will pass the visual without grief...
It sucks dude.... Any video of your beast? Would love to hear it

Hell maybe one of these days I could hear it in person?
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Old 01-31-2011, 02:16 PM   #24
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I don't know which of the following pictures best summarizes the above response...

Attachment 202780
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Old 01-31-2011, 02:19 PM   #25
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i'm in California, don't waste your money, get LT
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