Results 1 to 7 of 7

NOS system or exhaust and tune

This is a discussion on NOS system or exhaust and tune within the GTO forums, part of the Vehicle Specific category; I was looking over some mods. What do you guys think I should go with on my 04 GTO, a ...

  1. #1
    Junior Member
    Join Date
    Sep 2006
    Location
    Indiana
    Age
    38
    Posts
    25

    black
    2004 GTO

    NOS system or exhaust and tune

    I was looking over some mods. What do you guys think I should go with on my 04 GTO, a nos system or exhaust and dyno tune. Thanks for the input.

  2. #2
    The Bandit Wesman's Avatar
    Join Date
    Apr 2006
    Location
    NJ
    Posts
    4,033

    SGM
    1998 Trans Am WS6

    Definitely the exhaust and dyno tune. Nitrous only give you a power boost when you're spraying, and it can be very hard on the motor. The exhaust and tune will give you more HP and torque throughout the whole powerband, and the power is there all the time. Not to mention doing a full exhaust and tune will almost always net you an increase in fuel economy, since the motor can breathe better. Plus it will sound awesome

  3. #3
    Grand Imperial Wizard Sarge's Avatar
    Join Date
    Aug 2005
    Location
    Texas Department of Corrections
    Posts
    18,129
    Retired Outlaw Sum Bitch

    Exhaust and tune.
    This is my signature. It is mine. Nobody else has one like it.

  4. #4
    Slower Than a 3rd Gen juiced99ws6's Avatar
    Join Date
    Aug 2005
    Location
    Cape Coral, FL
    Age
    33
    Posts
    3,097

    Mystic Teal
    99 Trans Am & 01 CBR 929

    ide say it depends on what you want out of the car. if you want a weekend drag car go with the nitrous if you just want a starting point for some modsthen exhaust and a tune. either way on the GTOs a tune is needed badly at some point.

  5. #5
    Senior Member SS02's Avatar
    Join Date
    Dec 2006
    Location
    ...
    Posts
    2,819

    None
    ...

    If it was me and I knew I was going to go NOS down the line anyway.

    I would Exhaust (Cats/Long tube headers). 1st

    Then toss on the Nos. 2nd

    Then even if I had to wait for some more cash, I would
    do the tune. As soon as I could.

    Yet if me I would make sure I did SFC's (weld in, not bolt on)
    and lower control arms with poly bushings first. It will help make
    use of your $ spent on the others in the form of traction!
    You may have done these already... a strut tower brace would not hurt
    also, but some hate the front end stiffened up that much "not me".

    Yet I think Sarge would be the one to take advice from not me.
    I know not much on the GTO and how it runs, but it is a LS1 in the 04 "right"
    and then not much diff I would guess.

    Enjoy either way U go.
    Last edited by SS02; 01-27-2007 at 07:17 AM. Reason: error

  6. #6
    Nitrous Tuner LS2Tuner's Avatar
    Join Date
    Aug 2006
    Location
    WestCoast AZ-CALI
    Posts
    4,763

    Silver
    05 Goat SMASHED

    Hands down the bottle all the way first!!!! The key ? is do yopum want to run 12's or high 13's with exhaust.....
    Yes nitrous can be hard but at the same time can be VERY reliable and safe. Lot's people are scared and mis informed on the whole nitrous issue. I would do a 125hp NX wet system to start with....... Which will be OVER twice the gain you'll see from the tune and ex. and then onced you have some more funds do the tune and exhaust. Then you can step up the kit and have the tuner tune the air/fuel on the bottle.
    I have MANY customers with stock motors and stock PCM tunes running the 125 for years with no problems.
    Proper install makes a huge difference!!!
    Feel free to PM me for ?'s.
    That's my 2 cents take it or leave it.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

  7. #7
    Senior Member SS02's Avatar
    Join Date
    Dec 2006
    Location
    ...
    Posts
    2,819

    None
    ...

    Input given and Looking for some input myself!

    Quote Originally Posted by LS2Tuner View Post
    Hands down the bottle all the way first!!!! The key ? is do yopum want to run 12's or high 13's with exhaust.....
    Yes nitrous can be hard but at the same time can be VERY reliable and safe. Lot's people are scared and mis informed on the whole nitrous issue. I would do a 125hp NX wet system to start with....... Which will be OVER twice the gain you'll see from the tune and ex. and then onced you have some more funds do the tune and exhaust. Then you can step up the kit and have the tuner tune the air/fuel on the bottle.
    I have MANY customers with stock motors and stock PCM tunes running the 125 for years with no problems.
    Proper install makes a huge difference!!!
    Feel free to PM me for ?'s.
    That's my 2 cents take it or leave it.


    List below is in add on mod order order to show, that the LS1 for me handeled/handles the Nos just fine before and after tune (larger gain after tune). Yet for awhile cheap HP/TQ and my internals are all stock SS LS1 that dynoed stock at 366 at fly with only K&M air filter replacement.

    1st: SFC's / HD Lower Control Arms w/poly bushings / Strut Tower Brace

    2nd: StainSteel Long Tube Headers with full catback exhaust and Poly Tranny Mount

    3rd: 125 Shot NOS / RPM Act Switch 4 Nos / Purge Kit with several misc. items,

    So for 6 months I ran like that, no real internal mods at all (NOS was not at 125 yet) When tune came Nos went to a even 125HP Gain, before tune (full LS1 edit tune) a 97HP gain was had for the gain. (cheap almost 100hp gain
    I agree).

    4th: Cluster of 3 gauges for Nos/oil/Fuel/Sfi Pulley Set w/Alt Pulley/
    Smooth Bellows on Air intake Sys/90 CFM High Flow Mass Air Sensor/
    Nos cut off switch

    5th: (and final 4 now) Full LS1 Edit/Tune

    And no issues at all and U can see no internal changes yet.
    Looking for advice on what you pros would do next.
    I was thinking LSX Fast Poly Manifold/Push Rods/some head work(not sure
    here on details at all-getting out of my league of knowledge here).
    That is the main reason I found this site, I need to sure with knowledge
    drop off/non-of this I will do myself so do not want yanked around.

    So looking for help here:
    Sarge step up buddy, Ur one I was wishing to get input from.
    LS2Tuner and your on the help me list also, if so kind and I can ask.
    Sarge has shown a great willings to advise already, I hope it that
    still stands?


    And others would be great to follow... the two listed, I have seen there
    know how on many threads and 2 many to list them all. I was pretty confident on my choices and plans up till now.

    02 SS with above mods, 3.73 gears and 4 sp Auto with edit adjustments.
    Ask anything U might wonder guys in info from me.

    If not asking out of line, Great!
    Thanks All

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. AIR system still operating after tune?
    By bad idea in forum External Engine
    Replies: 8
    Last Post: 07-18-2013, 06:59 PM
  2. Wanted: Exhaust system for v6
    By TruThug in forum Parts Wanted / Trade
    Replies: 28
    Last Post: 10-13-2012, 08:48 PM
  3. What Exhaust system?
    By crimson Tiger in forum External Engine
    Replies: 58
    Last Post: 08-13-2007, 08:59 AM
  4. Exhaust System
    By SPDemon81 in forum General Help
    Replies: 11
    Last Post: 10-17-2006, 10:03 AM
  5. what exhaust system should i go with
    By josh110781 in forum External Engine
    Replies: 19
    Last Post: 05-15-2006, 08:32 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •