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355 New Exhaust Option: Larini GT2 Muffler (Phase 2)

Discussion in '348/355' started by ShineKen, Oct 10, 2020.

  1. S-T48

    S-T48 Formula Junior
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    Big favor! Anyway you can measure the thickness of the exhaust can. I had the Capristo and it was rubbing against the pumpkin or the bumper - ended up returning it. I hope its not thicker than the original.
     
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  3. ShineKen

    ShineKen F1 Veteran
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    I did weigh the muffler last night. 29 lbs.
     
  4. ShineKen

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    That's normal with a Capristo muffler on the 355. The can rubs on the bumper shield. I have a Capristo as well. If you have a 5.2 car, @kenneyd says you can make some bracket adjustments to avoid it. If you have a 2.7 car @MAD828 says you're sh*t out of luck.

    Big mistake to return it. Capristo muffler stock is very low. Should have checked here first :).


    Just going off visually, the Larini muffler should clear.
     
  5. Zamboniman308

    Zamboniman308 Karting

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  7. ShineKen

    ShineKen F1 Veteran
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    Yea, I’m pretty happy about them. I still need to test fit. I won’t be putting them on until I dyno my car with the factory headers first. I’m curious to know how much more power they make and where they make it.
     
  8. Targatime

    Targatime Formula Junior
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    They look beautiful. I haven't read the whole thread, does Larini say they make more power than factory headers?
     
  9. ShineKen

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    Claimed noticeable HP gains when this was first brought to my attention.

    If you look back at the history of this purchase, although Larini probably won’t admit it, these headers were just a concept. No actual photos of product. My purchase helped make it a reality. Imo, that’s the real reason this took a year to get. Perhaps designed on CAD with estimated power gains. No verified actual proof to back up their claims. Mostly an educated guess at this stage.

    I’m pretty sure I’ll be the first to put it on and first to dyno, so we can see how much of concept becomes reality. They are adamant about me sending installed pictures. That’s the giveaway.

    I really like how the Capristo 4-2-1 header w/ their blanket performed on my Scud. A noticeable improvement over stock in low to mid range power and a lil up top. Noticeable, but not life-changing power. I didn’t feel any compromise over stock. Sound was better and volume was up about 30%. Capristo 430 headers/high quality blankets worth $4k? - YES. Worth $6-7k? - No. Capristo should’ve offered a 4-2-1 header for the 355. Missed huge opportunity.

    I just got these today and haven’t analyzed the piping layout. At a quick glance, they look like Capristo 4-2-1 430 headers with a more effective blanket and stepped primaries.
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  10. tres55

    tres55 F1 Rookie
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    Honestly not super happy with the quality of my Tubi headers. Those Larini's look amazing though. Much better attention to detail.
     
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  12. ShineKen

    ShineKen F1 Veteran
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  13. ShineKen

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    Weight: 13.5 lbs each x 2 = 27 lbs.

    Anyone have weights on OE manifolds?
     
  14. MAD828

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    Weight comparisons for OEM headers and Tubi are 6.6 kilos (14.5lbs) each versus 5.4 kilos (11.9lbs) each. So 2.4 kilos saved over stock.

    These weights are for 5.2 manifolds. But they should be fairly consistent with the 2.7 especially in the percentage weight difference between the OEM and Tubi.
     
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  15. Targatime

    Targatime Formula Junior
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    Curious what the dyno shows. Has anyone dyno'd the Tubi headers? (i.e. dyno'd them correctly, same car/same dyno/without other mods)
     
  16. ShineKen

    ShineKen F1 Veteran
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  17. jimmym

    jimmym Formula 3

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    They look nice Ken. The wait is over.:)
     
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  18. IvanRico

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    Any idea what the lead times are now that you’ve been the guinea pig, Ken?
     
  19. ShineKen

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    Personally, I feel they experience constant delays and don’t really come close to their given ETAs. Probably due to a combination of understaffing and surge of orders, which I think is the case for most companies in the automotive after-market manufacturing these days.

    It took them a year to go from CAD to prototype to jig to building to Inconel shielding. The shielding probably takes longer than building it.

    Only thing they have now is a jig (for a 2.7). IF there are no fitment issues, which they’re probably waiting on me to confirm, I wouldn’t be surprised if it took them 6 months to build a unit.

    Plan 6-10 months ahead if this is what you want.

    I have a buddy who’s interested in a set as well. He currently has Fabspeed headers. He’s also interested in Tubis, but waiting on me to confirm power and sound of Larinis, which seems to be his primary concern. On a side note, he’s also also got a 2.7 w/ Capristo muffler, Capristo bypass, and a Kriessieg spiral Y-pipe on the way.
     
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  20. ShineKen

    ShineKen F1 Veteran
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  21. IvanRico

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    Almost. In contract on a car pending PPI - fingers crossed.
     
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  22. ShineKen

    ShineKen F1 Veteran
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    RMCmiami car?
     
  23. IvanRico

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    there really aren’t enough cars changing hands to keep many secrets. Assuming the PPI goes though it’ll be on a truck headed to Westchester NY. First Ferrari - closest I’ve had was a Giulia QV before this, which really doesn’t count.
     
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  24. ShineKen

    ShineKen F1 Veteran
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    Congrats! That’s a good car and the one I would recommend although pricey. Euro spec is a notch or two more special. I don’t see it having major issues.

    Let’s just say it was an educated guess ;). Good luck!
     
  25. IvanRico

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    I passed on the Swiss car in Miami. I don’t think the sellers meant any harm but they should have done their own compression test before listing the car.

    On a cold compression test cylinder 7 was off by 27% from the others. Car drives well, engine runs smooth and it’ll be good for someone that wants to address the issue but not for me.
     
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