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Trans Am Headers and exhaust

This is a discussion on Trans Am Headers and exhaust within the Firebird / WS6 forums, part of the Vehicle Specific category; Looking to get headers and exhaust for my 2000 ws6. I live in California so i need to have the ...

  1. #1
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    Trans Am Headers and exhaust

    Looking to get headers and exhaust for my 2000 ws6. I live in California so i need to have the cats. I want to get the ls6 manifold intake and then install headers and exhaust. Any recommendations on which y pipe to use with pacesetter headers. I curently have the flowmaster 40 series catback and was looking to change to either a corsa or magnaflow or slp loudmouth. Any help on which headers and y pipe (with cats) and whether or not the catback i have should do the job or which two out of corsa or magnaflow would be best thanks.!! Also about how much roughly should i be looking to pay for the system you recommend thanks again!

  2. #2
    Senior Member REVNORR82's Avatar
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    2002 ws6 ta convertible

    Well the best option is a pace y pipe because you know it will fit your headers the other ones might be a bit tricky with your headers.

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    2002 WS6 TA VERT M6 HOOKER SUPER COMPS ORY AND CAT BACK TUNE DONE BY CHARLES AT GREAD TUNNING!!

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  3. #3
    Senior Member Too Fast's Avatar
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    2000 WS6 6spd Hooker LT

    You do know you can't relocate the cats in nazi-Cali and still pass emissions, right? And short tube headers are a waste of money. The LS6 intake is good, but then that eliminates the EGR, also a no no for Cali. Many people have tested the Flowmaster and flound out it's almost as restrictive as the stock muffler, but sounds great. Most any other cat back shows gains on the dyno. You could take the $500-1000 spent on LT+catted Y and dyno tune the car instead, to stay legal and not have to R&R the exhaust+intake/EGR when you do emission testing (every 2 years, right?).

    Good luck!

  4. #4
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    I would not do well living in California. Exhaust is all a matter of personal preference. Steve is correct, you can invest money in other mods that will not foul you up with the long arm of the law out there.

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    Member raynor139's Avatar
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    Most of the members here would give California fits over emissions.
    Mods - Lid, Skip Shift Eliminator, MGW shifter, UMI SFCs, UMI Panhard Bar, UMI Lower Control Arms, Strut Tower Brace, 160 thermostat, TSP headers and TSP true duals and tune by Frost

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    Member initechpeter's Avatar
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    I like to be loud and proud. Thats the way American muscle should be.

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    Headers

    For the rest of us who are not controlled by "the man", who makes a decent long tube affordable header and how hard are they to install. I dont want to chop the exhaust up so also some one make a transition piece to replace the flat y-section. I also have a broken exhaust bolt that I am not looking forward to replace.

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    Moderator 35th-ANV-SS's Avatar
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    I have Kooks stainless steel 1-7/8" headers with their 3" stainless steel ORY. Fitment was excellent and the system tucked up real nice and tight. I'm lowered on Strano springs and I have never bottomed out. They are pricey though.

    ARH is comparable to Kooks as well - again, pricey.

    TSP is supposed to be coming out with a stainless steel version of their headers. Not sure if they have yet or not. Pacesetters are another option (coated) that a lot of people like for the price.

    Some people have even bought the E-bay stainless steel headers and have had success.

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    Headers

    How bad of job was it to install the headers and what did you do from the collectors back to the rear.

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    Senior Member 98TransAmWs-6's Avatar
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    Quote Originally Posted by johnfin View Post
    How bad of job was it to install the headers and what did you do from the collectors back to the rear.
    Mine was really easy, just very time consuming. A 3" Y pipe or 3" Catted Y pipe is run from the collector to your catback.
    1998 Trans Am WS6 - Phantom
    421 CI LQ9, Tick Performance Custom Cam, AI 232 cc 243 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
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  11. #11
    Member raynor139's Avatar
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    I have TSP stainless 1 7/8 headers and y-pipe. Price wise best bang for the buck in the headers world. Fit is alright kooks is much better. But you pay the kooks price.

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    Member raynor139's Avatar
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    As long as you can get the car high enough its a one day install in the driveway without too many beer breaks.

  13. #13
    Senior Member Too Fast's Avatar
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    ^^^lol exactly. Wait for most of the beer breaks until you are mostly finished. But do have one, after they are on and you start the car open headers and rev it a few times. I bought Hooker ceramic coated 6+ years ago with their ORY, it bolted right up to the stock I-pipe. The coating will come off as the years pass, I would do stainless if I were to do it again. Some people can do the job in abour 4 hours, but for most it takes 6-8. The higher you get the car the better. I had a lift.

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    Could not pay me to live in Cali with the smog/gun laws.

  15. #15
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    Thanks guys yea its tough here ill look into the kooks. What do ya think about the catback I want a really nice full exhaust performance and sound. Heard about corsa on other cars being good but not to much on our ls1's but that is my top pick. I know that the slp loudmouth gets raspy with headers and ory. At this point im on the edge with Corsa and Magnaflow just looking for that right description or response to put me over the top with one of um! THANKS

  16. #16
    Moderator 35th-ANV-SS's Avatar
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    A lot of people like Magnaflow with a cut-out. Best of both worlds.

  17. #17
    Junior Member BBATCAR's Avatar
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    I switched from a Flow Master to Magnaflow only because of the droning on the freeway. Sounds louder than stock but not too loud. I had cut outs on my other WS6 but they leaked so took them off. I changed just the muffler instead of paying for a full cat-back and have a stock look to the car. I live in Calif. and you will have to get CARB legal headers to pass visual emissions unless you know of a station that will turn a blind eye. JBA makes headers to the Calif. folks. Our manifolds flow well unless you go to LT headers so I stayed with stock and changed the muffler.
    Black 2002 WS6, A4, 3.23, Loaded, K&N, De-baffled, Lid, Ported TB & bypass, CBM GM 799 cast Ported Heads 2.055/1.6 valves, Magnaflow.

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    My car is lowered with the Eibach Pro Kit, will the kooks headers and ORY rub?
    Quote Originally Posted by 35th-ANV-SS View Post
    I have Kooks stainless steel 1-7/8" headers with their 3" stainless steel ORY. Fitment was excellent and the system tucked up real nice and tight. I'm lowered on Strano springs and I have never bottomed out. They are pricey though.

    ARH is comparable to Kooks as well - again, pricey.

    TSP is supposed to be coming out with a stainless steel version of their headers. Not sure if they have yet or not. Pacesetters are another option (coated) that a lot of people like for the price.

    Some people have even bought the E-bay stainless steel headers and have had success.

  19. #19
    Moderator 35th-ANV-SS's Avatar
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    I'm lowered with Strano springs and mine never has.
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  20. #20
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    I am stock height with Kooks, including their catted-Y, and can't imagine this system would result in a clearance issue. It tucks up against the underbody very nicely.






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