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Need feedback / Kline exhaust in 458 spider

Discussion in '458 Italia/488/F8' started by sharon amos, Dec 21, 2018.

  1. sharon amos

    sharon amos Karting

    Dec 24, 2017
    112
    Full Name:
    sharon amos
    Hi
    I’m seeing a lot of posts about the various Kline exhaust but non has an actual video or sound clip it - please share if you have any.

    Also if have it on your car please share your thoughts about,

    1. What setup you have - stainless, inocel, no car, 100cel 200cel cat.

    2. What’s your input on the sound when the valves are open and you hit it ?

    3. What’s your input of how quiet it is when the valves ?

    Thanks guys!!!!

    Happy holidays.


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  2. obbob

    obbob Formula Junior

    Aug 14, 2017
    678
    My Speciale has an Inconel muffler and 200cell HJS cat. Also have a valvetronic controller

    I see little reason to go with a 100 cell cat except for noise control. A 100 cell cat still has a good chance of causing CEL. Might as well go decat. If you do decide to do a 100 cell cat, definitely get minicat spacers for the o2 sensor.

    Sound is great. Car will drone at low RPM with the valves open. If I shut the valves, drone disappears entirely. Car is louder than stock both at low and high RPM. Pitch is noticeably higher too. Do note that with all exhausts, the high pitch is muffled more than the bass tones when windows are up unless you decat. High pitched noises have a harder time penetrating a sealed space. Just physics.

    Personally, I think Kline is best with their inconel products. That's their specialty, in the same way Akrapovic specializes in titanium. With that said, if you are just looking for sound, stainless steel is a more cost efficient option.
     
  3. daflk

    daflk Karting

    Jan 27, 2013
    245
    Hong Kong
    Kline exhaust has no valves?


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  4. sharon amos

    sharon amos Karting

    Dec 24, 2017
    112
    Full Name:
    sharon amos
  5. sharon amos

    sharon amos Karting

    Dec 24, 2017
    112
    Full Name:
    sharon amos
    Hi guys.
    So I got the Kline exhaust installed and wow. Perfect.

    Here is a video I shoot.

    Enjoy




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    tekaefixe, SVR and obbob like this.
  6. daflk

    daflk Karting

    Jan 27, 2013
    245
    Hong Kong
    Do you have valves ? Is it sociable enough to have valves closed in the neighborhood or still loud af?


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  7. obbob

    obbob Formula Junior

    Aug 14, 2017
    678

    Sounds awesome! Question for you, do you notice a large sound difference when you open and close the valves using the controller?

    I ask because I barely notice any difference, so I’m wondering if my controller was installed correctly.
     
  8. gilly6993

    gilly6993 Formula 3

    Aug 20, 2009
    2,005
    Longmeadow, MA
    Full Name:
    Eric
    While not 100% relevant I have a Kilne exhaust on my Lusso....Love it!....sounds awesome....there is considerable difference with valves open/ closed when the car is cold but not as much once it warms up.....the exhaust really comes into play at 4K RPM's or so.....valves open at low RPM's creates a little bit of an annoying drone....I have steel as the car is a pig anyways....Inconel was not worth it for me....200 cats or nothing....

    My Kline threw a CEL which required O2 spacers....this was the first NA Lusso to get a Kline and they were quite surprised it occurred....I saved anyone else doing it in the future $1200 or so as they had to pull everything apart to put the spacers in after the fact......now I'm sure they will recommend it from the get go.....
     
  9. Agostinho

    Agostinho Karting
    Silver Subscribed

    Feb 22, 2017
    101

    I'm curious. Since you went went with cats, if you sell the car, will you leave the Kline exhaust in? Would you decat if you had to do it over? Debating on a decat system, but if decat, would need to reinstall the stock exhaust of I sold the car.
     
  10. ShineKen

    ShineKen F1 Rookie
    Silver Subscribed

    Aug 3, 2007
    4,530
    Southern California
    Full Name:
    Ken
    200 cel cats muffle the F1 sound a bit. 100 cel is the way to go. Yes, you will trigger CEL, but get a minicat.

    Straight pipe will have best sound , less weight, and cost less, but your car will smell.
     
  11. obbob

    obbob Formula Junior

    Aug 14, 2017
    678
    You should almost always return the car to stock when selling. Aftermarket exhausts will reduce your buyer pool. If you just swapped the mufflers it wouldn't be too big a deal, but selling a car with aftermarket cats is generally inadvisable

    No, I would not decat if I had a choice. I decatted a previous super car and the smell and noise was too much.
     
  12. Vegas CS

    Vegas CS Karting
    Silver Subscribed

    Apr 5, 2018
    197
    Full Name:
    Jim J
    Sharon, what material did you end up getting? I ask as I bought a Kline setup with 200 cell cats and valvetronic mufflers in inconel. Any exterior vids?
     
  13. Raridreams

    Raridreams Rookie

    Nov 14, 2019
    12
    Can you confirm the 100 cell cats eliminates the exhaust fume "smell" you get with test pipes? I prefer the straight pipe sound BUT the exhaust fume smell gets old quick and gives me headaches. Especially problematic on a convertible. I am thinking 100 cell race cats might be the next best thing?
     
  14. Rory breaker

    Rory breaker Karting

    Apr 17, 2017
    152
    100cell cat here, zero exhaust fumes in cabin, behind me on the road is a diff story.
    I have full Novitec inconel headers/back, my car sounds sharper/higher pitched/more violent than the vid here. Only saying for comparison purposes, obviously all sounds great.
     
  15. Raridreams

    Raridreams Rookie

    Nov 14, 2019
    12
    wow...Full inconel + 100 cell...I'm sure that sounds orgasmic! coupe or spider? So regarding smell; no issue inside cabin but safe to say if standing outside the car your exhaust smell is still pretty raw?
     
  16. Rory breaker

    Rory breaker Karting

    Apr 17, 2017
    152
    Coupe. Sounds nuts....f1 car. Kline and s-line are both close but not quite the same. Much more cost effective but not totally the same.
    Smell behind the car is not awful...not as bad as a straight pipe car but the person behind you will know when you get on it, for sure. Zero, zero issue inside cabin, none, 0%.
     
  17. Raridreams

    Raridreams Rookie

    Nov 14, 2019
    12
    ^ agreed. S-line has earned a great reputation for sound from such a simple design and I like the made in USA aspect. They are supposedly working on cats/test pipes for the 458 but have yet to release. No valves is a downside to the S-line vs the Kline system for me though.
     
  18. veilstylez

    veilstylez Formula Junior
    Silver Subscribed

    Jun 12, 2005
    297
    SoCal
    my spider has decated IPE with valves. So im really into sound..... my valves are only closed around my neighbors, and I have never used my radio. If your like me and really into sound go decat, 200cel just doesn't have the pitch decats have.
    I actually want it louder so I plan on installing headers soon. Its loud at first but you get used to it fast. With the top up its not that loud. Valves closed is like stock with valves open.
    I feel Exhaust system doesn't make the sound "louder" but just changes the tone, in order to get it louder you have to change the cats. If you feel stock is loud enough then you might want to stick to stock cats. I would try 200cel first then go down if you want to go louder. As for smell....you get exhaust smell at a stop lights if the wind is blowing forward from the back.
    Also IPE doesnt trigger CEL and it hasn't for me. It might when I get headers tho.
     
  19. veilstylez

    veilstylez Formula Junior
    Silver Subscribed

    Jun 12, 2005
    297
    SoCal
    ooooh this sounds good....but not as high pitch you get with decats...and then with headers you get even higher.
     
  20. cole328

    cole328 Formula Junior

    May 9, 2014
    345
    Damn...that sounds bananas! enjoy curious, what was the approx cost to do the upgrade?
     

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