Patriot Collector Reducers - (Set of 2) - 3" to 2.250" Engine Fastener Kits Retard the ignition timing 1

Retard the ignition timing 1 degrees-3 degrees per pound of boost

312" which can help with valvetrain clearance

It is engineered to allow the right wheel to differentiate while keeping 100% traction on the left wheel

900 Microns

35-75psi - Includes - Spring

Patriot Collector Reducers - (Set of 2) - 3" to 2.250" Engine Fastener Kits Retard the ignition timing 1Patriot Exhaust H7251 3" diameter, 2 1 4" outlet Collector Reducers. Available in a wide variety of diameters and lengths Zinc plated to minimize corrosion Weld on reducersPatriot Exhaust products continue to offer the best value for the dollar of any brand in the industry. This year's product offering presents sixteen new applications for popular muscle cars and trucks including Camaro, Chevelle, Firebird, GTO, Mustang, Fairlane, Dart, Duster as well