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  1. T

    Keep the 03, or upgrade, or wait next gen opinions

    Yes, but you're talking for mods that can be done to Gen4 also, and with minimal cost too. There is no advantage over the Gen4. It is only the FI option which makes the difference. Just my 2 cents. :2tu: .
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    ** New Srt10 Cat Back ** Group Buy/voi-11 Pricing**

    Those mufflers, are resonated, right? Do you have any option with straight-through design? .
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    Bypass exhaust screamer valves

    Cool posts! So many gurus in this forum...:2tu: Maybe I am too retarded for this forum... :wrong: .
  4. T

    Bypass exhaust screamer valves

    And how can I control it? .
  5. T

    Bypass exhaust screamer valves

    At my initial post on this thread, I clearly say that I am looking for the power gain of this mod. This what you just posted is a copy-paste, which also verifies what I am trying to do. Did you read it? I will keep the stock backpressure at the low rpms, and make zero backpressure at higher...
  6. T

    Bypass exhaust screamer valves

    Great answer, but still without explanation. ps. Plum$$ , will you do it together? .
  7. T

    Bypass exhaust screamer valves

    It would be nice to explain us the reason for not gainning anything to a zero backpressure exhaust system. By the way, will that 8sec Daytona have a high flow cat and a good cat back system?? .
  8. T

    Bypass exhaust screamer valves

    It is exactly what I have been thinking all these days. Firstly, that modified wastegate I will use, will open and close instantly. So, it will be no intermediate positions (half closed, little open, etc.). Hence, I can, at once, have it automaticaly open at around 4,500rpms. At that...
  9. T

    Bypass exhaust screamer valves

    Looks like you dont understand what I am asking... Ferrari and Porsche use similar bypass system at the high RPM range to gain those extra hp. Please Plum$$, dont intervene since you dont have anything to answer to the question of the scavenging or open headers gain. :spank: Anyone...
  10. T

    Bypass exhaust screamer valves

    So, you mean that any combination of exhaust/cat upgrade would not benefit also? .
  11. T

    Bypass exhaust screamer valves

    Looks like that I did not get any feedback from anyone here with proven results of a benefit of the open headers setup. As of my research the backpressure "could" be beneficial only at the low rpm's where the valve overlapping could help synchronise with the harmonics of the backpressure...
  12. T

    Bypass exhaust screamer valves

    You mean the pre-cat Lamda sensors? .
  13. T

    Bypass exhaust screamer valves

    Sure will. My only concern is if placing it before the cats, will lose power. The loss of backpressure will need to be considered. .
  14. T

    Bypass exhaust screamer valves

    Definetely will hear! But this time it won't be a bicycle with playing cards in the spokes! :drive: :omg: .
  15. T

    Bypass exhaust screamer valves

    As soon as I have it ready I will retune the PCM with my Starmobile. I am really too curious to see if it will be any positive or negative difference on the dyno. Thanks again for the advices. .
  16. T

    Bypass exhaust screamer valves

    Thank you for your comments. As of my initial thinking, I would release all the flow after the headers. This will propably result to loss of backpressure. What if I release everything after the cats, or even the resonators? Would it give any better result? .
  17. T

    Bypass exhaust screamer valves

    Good points, thank you. I have been reading all over here, that the headers and any other combination with the catbacks upgrades would give improvement only with the Mopar PCM. Do you believe that the Mopar PCM TEC learning will not help make the necessary adjustments to such a mod? .
  18. T

    Bypass exhaust screamer valves

    1. Why shouldnt I cut it there? It is 5mm above the cell. 2.I will not gain anything? How can a free flow cat can gain? Please justify. 3. The spring within the wastegate will be removed, and will be working like a double pressure/vacuum actuator (it will be accompanied with an...
  19. T

    Bypass exhaust screamer valves

    I am just too curious to see what hp increase can be achieved, in combination with the Mopar PCM, with such a mod. I could not find anywhere any dyno results of before and after cat-resonator-exhaust removal. Maybe because nobody could stay in the dynoshop with such a noisiness!? :omg...
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    Bypass exhaust screamer valves

    It is obvious to a smart-guy like you. Please explain to us, the "retarded". ps. 12,914 BS (and keep going) .
  21. T

    Bypass exhaust screamer valves

    Better dont post if you cannot support it. ps. 12,913 BS .
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    Bypass exhaust screamer valves

    Can you please be specific, why you call it "retarded"? .
  23. T

    Bypass exhaust screamer valves

    Right, inlet is 2.5" but the outlet is 1-3/4". Also, the exhausts gases will go out down exactly under the cats. There is a big openning. Those cats are out of a wrecked Gen3, so if I dont like it I can change it back easily. .
  24. T

    Bypass exhaust screamer valves

    Those electric cutouts I have read that they do not last working for a long time, because the heat easily melts the insulation within the motor that makes the movement of the butterfly. Secondly, they are quite slow to open and close instantly. And last, the butterfly cutout compared...
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    Bypass exhaust screamer valves

    I was thinking lately for experimenting a little around on the exhaust system of my Gen4 SRT. I got an idea on this vid on youtube YouTube - Dodge Viper SRT 10 exhaust sound (MUST hear!!!) I could see on that video that that bypass system would not free the resonators and the...
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