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New Exhaust System For Sport Cub S2 Exceeds Performance Goals

9/21/2007 Yakima, WA - With production installations now underway, CubCrafters latest innovation to add more power and more performance to the SPORT CUB S2 has exceeded initial expectations. Testing of the new exhaust system for the O-200, internally dubbed the “4-into-None” Exhaust, has validated a nearly 100 RPM gain over the conventional system. Moreover, that RPM gain translates into a nearly 10% improvement in static thrust! Additional benefits to the redesign exercise are both improved carburetor heat and enhanced cabin heating over the original exhaust.

Chairman Jim Richmond commented on the development of the new design. “Our inspiration actually came from two places. Our first thought was to work with Tom Heid at AWI to develop essentially a “4-into-1” Exhaust application for the O-200. About that same time, we chatted with Klaus Savier, Founder and President of Light Speed Engineering. He offered some great input about further modifying the exhaust based on his experience of going 250 mph behind an O-200. Klaus has quite reputation for extracting every ounce of performance from that engine and he has the racing results prove it! Needless to say we were listeners to both Tom and Klaus. So we took those ideas back to Tom and the AWI team and we jointly developed the “4-into-None” as the production system that you see here.”

Richmond concluded, “We could not have gotten as much improvement as we have without Tom and Klaus, so a sincere ‘Thank You’ to both of them for their contributions on this project.”

As was announced at EAA Airventure in late July this year, the new “4-Into-None” exhaust system is currently only available on SPORT CUB S2 within the “Performance Package” option. Work is underway to determine applicability for installation as a retro-fit for previous SPORT CUB models.

 

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