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Screamin Eagle ST Plugs feature Ribbed Core Technology (RCT) that provides resistance to fouling and are designed with Original Equipment-style noise suppression to prevent electrical interference with radios and CB communication equipment
* Kits with S&S heads are machined special to compensate for engine height change to accomodate a stock length manifold
Fitment Details:-
Complete Kit – Includes front and rear tappet (cylinder lifter) covers plus two base gaskets for easy installation
2-into-1 4.5in. Big Bore Exhaust - Stainless Steel. Fits Dyna 2006-2017 - SP Concepts Exhaust Brake Rotors Screamin Eagle ST Plugs featureFeatures & Benefits: * 4. 5" high flow performance rolled cone muffler with stepped baffle from 2 to 2 inches. Increases bottom to mid range torque and horsepower on all motors. Tuned properly can accommodate 88" to 143". * 065 stainless steel headers stepped from 1 " to 1 7 8" to 2" at the collector * Hand tig welded from top to bottom * Machined stainless steel header collars * 18mm o2 bungs with 12mm adapters, allows for stock or wideband sensors *