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  1. #26
    Very Active Member BLUEKNIGHT911's Avatar
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    CAT delete, my two cents - I have one on my 14 RT with a baffle …. imho if the Monster ECU flash had been available that is the route I would have gone.... imho I don't think the weight savings is worth it ( 20 lbs. +/- ) on a 1150 lb Spyder ( plus 175 rider weight ) 20 lbs. isn't going to noticeably change anything. My RT was never in danger of Over-heating so that wasn't an issue. I got mine used from another member ( $ 150.00 ). Yes the sound changed a bit, but not much ( I'm happy I like my Tunes ) ….. For the price of the ECU change ...to me it's a no - brainer.... the Bang for the Buck is hugh. ………………..Mike

  2. #27
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    I resolved the resonator issue by welding the smallest flowmaster muffler into the cat delete pipe. It is a baffled muffler and I got all my bottom end back. its the small muffler with one end offset. welded right in and was able to use the stock ends.

  3. #28
    Active Member guzzihack's Avatar
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    Did you take any pictures and what was the part # on the Flowmaster?

  4. #29
    Very Active Member BLUEKNIGHT911's Avatar
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    Quote Originally Posted by guzzihack View Post
    Did you take any pictures and what was the part # on the Flowmaster?
    look here - SUMMITRACING.COM …………. they sell flowmasters and have pics and specs ………… Mike

  5. #30
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    I just installed the rls cat delete system. Without any actual reading to show anyone. I didn't notice any notiable difference in low end performance. This is with just out of the box with no baffles installed. Exhaust has a little rumble with stock exhaust muffler at idle. I did notice the engine running cooler but then again its 30 to 50 degree depending on the time of day. The carpartment in front of the driver seat barely gets warm at all. Removing and then istalling the springs is not something I would want to everyday, but it wasn't that bad either. Install the cat delete let the thing idle for about 15 to 20 mins shut it off and restart and the computer will adjust for the change. After reading all the other comments I wasn't sure about doing this but now I'm sure glad I did it.

  6. #31
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    Davewho...When you say you didn't notice any change...that's actually a good thing...that tells us that you're running close to factory stock..which is very important..you chose RLS....good choice!!!!
    If you haven't done so already..do a stage II RE-MAP...you will see what your spyder 1330 can truly do..there's a lot of untapped horsepower in that engine..

  7. #32
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    Default simple test to feel low end power loss

    Quote Originally Posted by Davewho View Post
    I just installed the rls cat delete system. Without any actual reading to show anyone. I didn't notice any notiable difference in low end performance. This is with just out of the box with no baffles installed. Exhaust has a little rumble with stock exhaust muffler at idle. I did notice the engine running cooler but then again its 30 to 50 degree depending on the time of day. The carpartment in front of the driver seat barely gets warm at all. Removing and then istalling the springs is not something I would want to everyday, but it wasn't that bad either. Install the cat delete let the thing idle for about 15 to 20 mins shut it off and restart and the computer will adjust for the change. After reading all the other comments I wasn't sure about doing this but now I'm sure glad I did it.
    Anyone who wants a simple test to feel if your Spyder is suffering down low from a Cat delete is this.
    From a slightly slow rolling speed hold the throttle FULLY open. Usually there will be a bogging or hesitation until about 4,200 rpm.
    Stock our Spyders are very good through this rpm range. The riders reporting this hesitation or bogging feel are the more aggressive riders who use more throttle to get their Spyder moving.
    The hesitation is not a big deal for most riders as they adjust their throttle usage to it.

  8. #33
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    Quote Originally Posted by Dennis in Lodi View Post
    Anyone who wants a simple test to feel if your Spyder is suffering down low from a Cat delete is this.
    From a slightly slow rolling speed hold the throttle FULLY open. Usually there will be a bogging or hesitation until about 4,200 rpm.
    Stock our Spyders are very good through this rpm range. The riders reporting this hesitation or bogging feel are the more aggressive riders who use more throttle to get their Spyder moving.
    The hesitation is not a big deal for most riders as they adjust their throttle usage to it.
    With the remap..the bogging is pretty well eliminated because you're getting a 100% throttle and not 70% which is stock.

  9. #34
    Very Active Member Wildrice's Avatar
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    The above from "Dennis in Lodi" is a very accurate evaluation of the cat delete. I took my cat delete back off & reinstalled the cat muffler the F3 came with. I had tried 2 baffles using the cat delete with less than adequate results. The Spyder needs the back pressure on low end & very few riders run on top end for any distance.
    Darrell

  10. #35
    Very Active Member PMK's Avatar
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    Quote Originally Posted by Dennis in Lodi View Post
    Anyone who wants a simple test to feel if your Spyder is suffering down low from a Cat delete is this.
    From a slightly slow rolling speed hold the throttle FULLY open. Usually there will be a bogging or hesitation until about 4,200 rpm.
    Stock our Spyders are very good through this rpm range. The riders reporting this hesitation or bogging feel are the more aggressive riders who use more throttle to get their Spyder moving.
    The hesitation is not a big deal for most riders as they adjust their throttle usage to it.
    Dennis, can we have you more clearly or simply clarify with added details.

    As I read your post / test, essentially you are accomplishing a throttle roll on test for accelleration.

    You indicated from a slow rolling speed, open and hold the throttle wide open.

    Seems ideally, since this is a street test, not a dyno run, that the slowest reasonable speed in third gear could be best. With a manual gearbox, holding third is a non issue when going to WOT. I am not sure how the semi automatic will accept this.

    Adding more, the slow rolling speed you mention, I assume you are wanting around 2000 to 2200 rpm as a starting point, with WOT pull past 4200 rpm. If this is your target rpm range, then yes, it is likely anything regarding engine torque / pull below 3000 rpm or less would likely benefit from backpressure.

    As an early installer of the cat delete, after a few miles it bacame obviously apparent that the power delivery had changed. Stock, our RTS preferred to be short shifted at no more than 3500 rpm. With the bypass installed short shifting is no longer best. The engine revs more freely and now comfortably prefers shifts in the 4200 to 4500 range. Saying that, the engine is making more power and torque at the higher rpm and pulls stronger. Seems the key is how the bike is ridden. Other than parking lots or the driveway, maybe our neighborhood streets, the rpm is never below 2500 revs. On the typicall streets, outside the neighborhood, almost always, the rpm is utilized between 3200 and 4500. No doubt it may sometimes be lower, or even higher, but typically that range.

    Next time out, I will try your roll on test. Yes, I expect it to bog and dog until it winds up a bit. But for comparison, if a bypassed RT semi auto is ridden in the sweet spot of rpm, there is better usable power and the torque pulls hard through the previous oem falling off the power rpm point.

    This is based on a Lamonster bypass and oem muffler.

  11. #36
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    The only thing have notice if there is a stronger smell of exhaust fumes when stopping. May just be my imagination I guess. I will have to do research on the stage ii Re-MAP

  12. #37
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    Quote Originally Posted by Wildrice View Post
    The above from "Dennis in Lodi" is a very accurate evaluation of the cat delete. I took my cat delete back off & reinstalled the cat muffler the F3 came with. I had tried 2 baffles using the cat delete with less than adequate results. The Spyder needs the back pressure on low end & very few riders run on top end for any distance.
    Darrell
    The cat delete that you added the additional baffles..what brand was the cat delete?...was it a la Monster or RLS?

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