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I'm not sure the exact catalyst B-Line or Kooks uses nor the power or size they support. I'm assuming it's a Gesi cat, which doesn't use the same wash-coating HJS German Cats do, but I could be wrong! Maybe someone on here knows. A good factor to consider too when they're looking to change out...

Bolt-on and go! =)

None - no effect these are completely bolt-on products. You won't be cutting, welding etc. The Magnuson moss act protects you, as the consumer. For what it's worth, I would still contact and check with your dealer as it's good to have them in your corner.

Good question, I thought of similar details since I track mine. It won't be an issue, no. If you're running 93 octane and not messing with additives or tuning the catalysts can take it and won't break apart. Anything waning on the more aggressive side with racing the vehicle regularly or race...

Sure, happy to add input and good news. These are the same catalytic converters that Fabspeed uses in the McLaren 720s and Porsche 992. Right out of the gate they're comfortable handling 710 HP+. However; when using these catalytic converters anything over 100 octane fuel, including race...

I do notice a difference while driving, yes, albeit slight. Looking forward to some of the early adapters to get theirs soon to get other dyno comparisons - the DynoJet used on my car for figures was an all-weather dyno.

We have OEM and Sport Cat weights, I believe it was near a wash if not a single lb difference. EDIT: Yup, gained a single lb 🤣 https://www.fabspeed.com/fabspeed-shelby-gt350-gt350r-sport-catalytic-converters-2016-2020/

A jealous visitor came by to hear the 350 🤣🤣

Finally got the video done for the GT350 driving, both in car and exterior with sound. It's pretty noticeable from the cruising portion toward the middle / 3/4 into playing. In-person is a complete noticeable difference, had a local GT350 owner stop by to hear it. Hopefully, we'll be getting...

There's been a much-needed option for high-quality cats for these cars. The German Emitec HJS High-Flow cats are a tier 1 company in Germany that are used on most supercars, makes sense to see what they can do to the fantastic FPC 350's.

Exactly Austin, I really didn't want to change much honestly. When it came to the resonator delete already on the R's and most base owners doing so, I thought the sound was perfect albeit I'd love to get a bit more power and about 10-20% tune/volume without it being utterly obnoxious. I think...

Lmao, sorry Galaxy 🤣🤣🤣 Figure'd I'd at least share here for those interested, we were getting a few calls and inquiries from the forums. Shoot me a DM, maybe I can shuffle things along a bit if you put yours in already.

Hey All, just installed the new Fabspeed high-flow catalytic converters on my 2017 GT350, sound improvement was fantastic especially at WOT. I'll try to get more videos of out of the car and driving this week. They came in at the high-side on the price, but they don't trigger a CEL or require a...