Flowmaster - 40 Series - 2.25" IN(C)/OUT(O) - Aggressive Sound 5 in Tall - 6

5 in Tall - 6 in Flange - Reusable Cotton - Blue - Universal - Each

Maximum dyno gains of 21 hp and 23 lb

Fitting - Hose End - AQP/Startlite - Straight - 12 AN Hose Crimp to 12 AN Female - Aluminum - Red / Silver - Each

Battery - Lithium-ion - 12V - 680 Cranking amps - Top / Side Post Screw-In Terminals - 6

Cap and Rotor Kit - HEI Style Terminal - Brass Terminals - Screw Down - Black - Non-Vented - Coil in Cap - Chevy V8 - Kit

Flowmaster - 40 Series - 2.25" IN(C)/OUT(O) - Aggressive Sound 5 in Tall - 6The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.