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The stock differential bushing is known to tearing under hard driving and track use
our cans include a 50-micron bronze filter to capture any rogue blow-by droplets without sacrificing flow
Incorporates Factory Style Quick Conn
Installation in 20 Minutes
Fully aluminum construction with durable TIG welds for long-lasting reliability
K&N 01-17 Harley-Davidson Softail / Dyna FI Performance Air Intake System Silver - 57-1137S fits_2000-2006`Toyota`Celica The stock differential bushing isK&N FIPK air intakes for select Harley Davidson Touring, Softail, Twin Cam and Sportster motorcycle models increase power by eliminating the restrictive stock OE air cleaner and replacing it with a K&N high flow air filter and cast aluminum intake tube. These intakes come with a die cast aluminum throttle body mounting plate and mounting hardware. K&N high flow intake systems give your Harley an aggressive appearance while providing a significant
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