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Need exhaust help....

This is a discussion on Need exhaust help.... within the External Engine forums, part of the LSx Technical Help Section category; I currently am running the slp loudmouth (1) catback system. I want to get headers and a y pipe before ...

  1. #1
    Senior Member clg82's Avatar
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    Need exhaust help....

    I currently am running the slp loudmouth (1) catback system. I want to get headers and a y pipe before i get a tune for my 3.73 gears. What do you suggest is the best set up to go with the loudmouth exhaust to increase performance but without sacraficing my hearing? Thanks for the help, and keep in mind it needs to me California emmisions legal!!!
    2000 Arctic White trans am, ws6 hood, ws6 air box, slp lid, slp smooth bellows, slp loudmouth exhaust,shift kit, rebuilt trans, LS6 intake, 3.73 gears, Shaner S3 p/p throttle body, and a tune . SFC. C6 ZO6 rims 18" in back 17" in front. Drilled and slotted rotors.

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    slp longtube headers....they claim 40hp increase. if your car is an auto your choices for headers will be somewhat limited. i dont think headers will make a difference in emissions....just keep the cats and whatever else was equipped with ur car for exhaust. anyone else please feel free to chip in if u know more about emissions....

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    Senior Member clg82's Avatar
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    Quote Originally Posted by 01ArcticFormula View Post
    slp longtube headers....they claim 40hp increase. if your car is an auto your choices for headers will be somewhat limited. i dont think headers will make a difference in emissions....just keep the cats and whatever else was equipped with ur car for exhaust. anyone else please feel free to chip in if u know more about emissions....
    I have heard that there are bad clearance issues with these headers is this true?

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    Just me Y2KPewterSS's Avatar
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    Moved to appropriate forum.

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    Consumer of kraut SiggyZ's Avatar
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    Yes, the SLP Longtube headers can have clearance issues, especially if your car is dropped.

    2000 Chevrolet Camaro Z28 A4 - Light Pewter Metallic
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    Senior Member clg82's Avatar
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    Quote Originally Posted by SiggyZ View Post
    Yes, the SLP Longtube headers can have clearance issues, especially if your car is dropped.
    My car isn't dropped at all so do you think i will still have clearance issues?

  7. #7
    Quote Originally Posted by clg82 View Post
    I currently am running the slp loudmouth (1) catback system. I want to get headers and a y pipe before i get a tune for my 3.73 gears. What do you suggest is the best set up to go with the loudmouth exhaust to increase performance but without sacraficing my hearing? Thanks for the help, and keep in mind it needs to me California emmisions legal!!!
    Are you talking short headers? because I dont think your gonna make it out in cali with long tubes.But if you are getting long tubes then you gotta go by what you want as far as quality. Anylontubes are gonna sound about the same. The difference in sound comes from the catback. Are you looking for a good stainless header or are you looking for a cheap bang for buck?

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    Senior Member clg82's Avatar
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    Quote Originally Posted by senicalj4579 View Post
    Are you talking short headers? because I dont think your gonna make it out in cali with long tubes.But if you are getting long tubes then you gotta go by what you want as far as quality. Anylontubes are gonna sound about the same. The difference in sound comes from the catback. Are you looking for a good stainless header or are you looking for a cheap bang for buck?
    I was thinking about scraping the whole cat back to begin with. All I have heard about headers+loudmouth exhaust, is all bad. Unless I can hear otherwise I think I am just going to go with a different set up.. I have already tried ls1sounds.com and everything on there i don't comprehend what they have done. What is the best exhaust setup with headers that everyone is running, that keep in mind is california legal!!!

  9. #9
    Quote Originally Posted by clg82 View Post
    I was thinking about scraping the whole cat back to begin with. All I have heard about headers+loudmouth exhaust, is all bad. Unless I can hear otherwise I think I am just going to go with a different set up.. I have already tried ls1sounds.com and everything on there i don't comprehend what they have done. What is the best exhaust setup with headers that everyone is running, that keep in mind is california legal!!!

    Well I had the Dynatech supermaxx system with a magnaflow. I think thats a great setup. The magnaflow just might be best for you because its a little quieter but it does shred at wot. There really is no best setup. The difference between all these setups are very mininal. Sounds like your a little lost with all this. I remeber before I ever got a catback and long tubes,I spent endless worthless hours trying to decide what to get.

    Are you aware that ALL long tubes are technically illegal by the books?

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    Senior Member clg82's Avatar
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    Quote Originally Posted by senicalj4579 View Post
    Well I had the Dynatech supermaxx system with a magnaflow. I think thats a great setup. The magnaflow just might be best for you because its a little quieter but it does shred at wot. There really is no best setup. The difference between all these setups are very mininal. Sounds like your a little lost with all this. I remeber before I ever got a catback and long tubes,I spent endless worthless hours trying to decide what to get.

    Are you aware that ALL long tubes are technically illegal by the books?
    All longtubes are illegal.....ouch that sux!!! Will they pass an emmissions check for california?

  11. #11
    Thats what i'm trying to tell you. Personally, I wouldnt even fuck around in cali. The fing dmv does random road tests out there dont they? I hear the fines are rediculious. Your best bet is to talk to some of the guys from cali and see what they are running

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    Senior Member raynor139's Avatar
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    yeah all your going to be able to run legally is shorties with the cats and thats pretty much a waste of time not much gains from the them.

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    Senior Member clg82's Avatar
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    Quote Originally Posted by raynor139 View Post
    yeah all your going to be able to run legally is shorties with the cats and thats pretty much a waste of time not much gains from the them.
    So you suggest I just stay stock with the cat back? Because I won't see much gain from shorties?

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    Senior Member clg82's Avatar
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    Quote Originally Posted by senicalj4579 View Post
    Thats what i'm trying to tell you. Personally, I wouldnt even fuck around in cali. The fing dmv does random road tests out there dont they? I hear the fines are rediculious. Your best bet is to talk to some of the guys from cali and see what they are running
    Yes everything you have said is true!! That is why I hate living in California, it does have its upside though, like sunny all the time!!! I will ask around here and see what everyone else is running. Unless someone from Cali, has some suggestions!

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    Senior Member raynor139's Avatar
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    yeah i wouldnt screw with the headers out there just to much trouble and the shorties just are not worth the money for so little return out of them.

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