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We also tested the larger twin-bore 72mm throttle body from L&M. It features the same highlights as the smaller LM66 but with greater flow (2,400 cfm versus 2,000 cfm). As LaRocca put it, the LM72 will be the last throttle body you ever have to buy for your S197. It retails for $599 and is available in polished aluminum, black, and machine finish.