40 Series Stainless Steel - 2.50 Offset In / 2.50 Center Out - Aggressive Sound 1970-lincoln-mark-iii-esi6410696 5 in Length - 900

5 in Length - 900 lb/in Spring Rate - Front - Steel - Gold Powder Coat - Each

740 in OD Steps - Dual Spring - Chromoly - Set of 12

Oil Temperature Gauge - Extreme - 100-320 Degree F - Mechanical - Analog - Full Sweep - 2-5/8 in Diameter - White Face - Built-in Warning Light - Each

Rear T-Bar Breakaway - Pre Drilled - Aluminum - Natural - Dirt Late Model / Modified - Each

625 in Bolt Circle - Steel - Purple Paint - GM - Each

40 Series Stainless Steel - 2.50 Offset In / 2.50 Center Out - Aggressive Sound 1970-lincoln-mark-iii-esi6410696 5 in Length - 900The 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 409S stainless steel and fully MIG welded for maximum durability.