Best Stage 1 Air Cleaners for Harley-Davidsons

The first step in getting more performance out of an engine is to let it breathe easier, and if there’s one thing Harley-Davidson owners like, it’s the distinctive sound of their V-Twin rumbling beneath them. Achieving that sound and performance requires replacing a combination of parts, mainly the stock air cleaner and exhaust.

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MO Tested: Rottweiler Performance Intake System For The KTM 790/890 Duke Review

My love for the KTM 790 Duke has been well documented on MO, but the reality is that had KTM been a little less tight-lipped when I was laying down my hard-earned cash for the bike, I might never have owned it. Instead, an 890 Duke R would probably be parked in my garage. That doesn’t lessen my attachment to the 790, but it helps to explain my desire to squeeze as much power out of the parallel-Twin as I can, while maintaining its social acceptability on exhaust sound. (OK, maybe being mocked in the comments when the Akrapovic slip-on resulted in slightly lower peak power has a little to do with my search for power, too.) Regardless, my unspoken goal for my performance modifications has been to get as close as possible to a stock 890’s mid-range power. From the moment Rottweiler Performance released its Rally Edition Full Intake System for the 790/890 Adventure, I’ve been salivating at the prospect of installing an adapted version on my Duke. Well, with the release of the Rottweiler Performance Intake System for the KTM 790/890 Duke, that wait is over, and man, does it kick some butt. 

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