355 New carbon parts (engine)

So it took a bit.... but I finally got the plenums on. The airbox and side panels are from GruppeM and have been on for a year and the plenums on today. It's the same weave but the GruppeM has a blue tint due to the epoxy they use.


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There is a noise difference (slight) with the GruppeM airbox. The plenums are pretty much exactly the same as the factory so there is no difference as far as noise.

The GruppeM and side panels can be purchased via any authorized dealer. Takes about 4 weeks and about $3700 shipped. (about $2560 for the box, $870 for the sides, and $200-300 for shipping)

The intake plenums and coolant panel are custom. They are solid carbon fiber, not shells wrapped in CF. They are currently the only ones in existence that I am aware of. I can have more made but they are expensive and take 4-6 weeks for a set. The Ferrari script pieces, I put on separately.

 

A couple more pics.


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It's either 2.7 or 5.2. They are the same from the factory except the vacuum hole underneath is filled in and not used in a 5.2 (from the factory) and this is the same for these CF pieces.

 

If anyone is interested in a set PM me. (It might take a couple days to get back to you). I'd need a few people to purchase them before the CF company would make another run for any reasonable amount of money. Figure probably $2500-2700 USD is likely for the 2 plenums and middle piece (4 sets). That is plus shipping and duty etc. CF is never perfect and these are hand done (professionally, vacuum, etc. from a high quality low run mold). The mount is CNC'd aluminium bonded. If you see this after this year (2019) they are likely no longer available so probably a waste of time to post "are these still available", in 2021

 

They use a completely differnet gel/epoxy and method. It has a slight blue tinge which is a slight cloudyness to their resin. There isn't a a good way to match it, but sure I could spray a ver thing black/tint coating and it might or migh not look better. These were in direct sunlight where you can see the difference better.

 

The GruppeM airbox is supposed to balance the airflow and have less resistance therefore freeing up some HP. I can't imagine it is alot but it looks nice and slightly changes the engine noise at low rpm (a bit more gutteral). The Plenums don't increase the HP they just look nice.

 

So I know nothing about the termperature characteristics between steel/aluminium/plastic/and cf, but I will say this. After a hard drive a full temps I measured the temps on the original airboxes and plenums. the CF parts are about 7-10% lower temp (measured at the top) but also know the plenums have a heat capable epoxy and that might be keeping temps down and the airbox, I added gold heat shielding to the bottom of that, plus to the bottom of the heat shield below it (the gruppem shield. That stuff is amazing. pretty sure I got 1 or 2 hp out of it.

To be honest, I didn't buy a 22 year old car (at the time) to be the fastest thing in my garage. I bought it because it is my poster car, I love the sound with the capristo, and it's pretty raw for a modern-ish car. Not even a cup holder. So, would 10hp be better, probably, will it let me beat a Dodge deamon? Nope. Well, maybe around a corner.

Anyway if we can 3 people that want the plenums in CF the company will make a batch. It's likely that this is for 2019 only. If later, it may be quite a few thousand to make a new set of molds and 4-6 months of wait time and then, $2500 a set on top of that. I can't imagine a ton of people want them but if you do, pm me soon.

 

No. The CF isn't much lighter than the plastic but with the aluminum trim and many layers of carbon, they are mayby 2lb +/-. Same with the airbox. Maybe +/- 20lb for everything.