Flowmaster - 40 Series - 2.50" IN(C)/OUT(O) - Aggressive Sound Crank Adapter Sleeve - GM

Crank Adapter Sleeve - GM Converter to GM LS-Series Crank - Steel - Black Oxide - Set of 20

875 in OD - 6 in Long - 5/8-18 in Female Thread - Steel - Black Oxide - Each

5 mm - Sleeved - 36 in Long - Red - HEI Style Terminal - Each

AN Wrench Set - Pro Series - Single End - 5-Piece - 6 AN to 16 AN - Aluminum - Multi Color Anodized - Kit

609 in - Duration 270 / 283 - 115 LSA - 2100 / 7100 RPM - Mopar Gen III Hemi - Each

Flowmaster - 40 Series - 2.50" IN(C)/OUT(O) - Aggressive Sound Crank Adapter Sleeve - GMThe 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.