40 Series - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound 1974-chevrolet-g20-van-esi7926355 5 in Long - High

5 in Long - High Temperature - Braided Fiberglass - Black - Set of 4

Pulley Kit - 2 Groove V-Belt - 30 Percent Reduction - Aluminum - Natural - Small Block Chevy - Kit

or partnered with products from other Holley brands we can give you the edge you need over the competition

5 in Wide - 20 Degree Layback - Cover Included - Aluminum - Natural - Kit

1 - Pull Down Adjust - Bolt-In / Wrap Around - Individual Harness - Silver Gray - Kit

40 Series - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound 1974-chevrolet-g20-van-esi7926355 5 in Long - HighThe 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.