How To Get That F1 Sound

I second top end motorsports for the best pricing. Be sure to text or email them. Bought all of my Kline stuff from them.

 

Another Larini manifold picture for everyone, this time on the car.
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Has anyone heard both IPE and S Line on a 430 in person?

 

As of Oct ‘25 - Scuderia rough pricing for Larini headers + 200 cell cats is >$12K, plus shipping, and likely state sales tax. Not sure if steel tariffs or rising labor rates or what but that’s getting silly IMO.

Who’s got a sweet inconel 3D printer and wants to start making these?

 

What’s the breakdown?

Cats are ridiculously expensive these days. Perhaps try a non tariff source or hyper flows?

 

Thermo-met (UK) is one of the places Larini sends their parts for bespoke shielding. Anyone can send stuff to them to get whatever they need covered. They have an Instagram page.

To cover a set of manifolds with full bespoke shielding , it is somewhere between $2-3k and that was a few years ago last I checked. It does drive up the cost of the manifolds significantly.

Hence the reason Larini no longer offers “full” bespoke shielding for their 355 manifolds to maintain competitive pricing points.

If you don’t care for bespoke shielding, perhaps you can ask for a lesser shielding solution (like the 355’s) for a lower pricing point?


Attached is a photo of how 355 manifolds now come from Larini. I had one person complain to me he was expecting his shields to look like mine.






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I was one of Larinis or perhaps even their first customer for 355 manifolds. Mine came with full bespoke shielding. I speculate they ditched the idea of full bespoke shielding after Thermo-met raised prices on them. I’ve seen vids of how it’s done and it looks labor intensive. Perhaps even more so than building the header.



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Yikes! I paid $6k for just the manifold only 6 months ago.
Considering the cats are about $3k of that $12k, it looks like the manifold price went up about 50%.

Also a note on cats, I think the Kline inconel 200 cell cats were about $500-600 less than the Larini ones. I went with the Kline and I'm happy. I had a CEL for the first 100 miles or so but that went away once the cats went through a few heat cycles and it hasn't come back so far.

 

Probably important to note Kline uses HJS cats, which is sort of the gold standard for cats. Larini does not use HJS.


How much of the added cost is tariff related?


Fabspeed also uses HJS and is an American source, so might be beneficial to check prices with them.

 

Wow! I bought a set of Larini headers and cats back in 2020 for just over $9k AUD shipped. I actually just picked the car up from having them installed yesterday as I finally admitted to myself that I wasn't going to find time to install for probably another 5 years lol. I was a little disapointed that the header flanges had to be decked as they were not completely flat (had heard this is common with Fabspeed and why I avoided them). Otherwise very happy though.

I was actually concerned they were going to change the sound of the car with my CS exhaust, but glad to say it really hasn't changed much, marginally louder at high revs but still pretty sedate and comfortable at 3k and under.
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Roughly $8k manifolds, $4k catalysts

 

I wouldn’t do Larini cats in that price range. Last I checked Kline Inconel cats are in that price range. Larini cats are an inferior product to Kline cats imo and I have Larini cats for my 355.

 

Any comments on power improvements? This is on a 360 CS?