Flowmaster American Thunder Exhaust System Header Back 2-1/2" Tailpipe 2-1/2" Tips - Stainless 20194 25 restrictive factory system and

25 restrictive factory system and have been designed and built here in the USA using the BBK patented adjustable Varitune performance mufflers and 2

2-1/2 in Dual Outlet

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Lincoln and Mercury C4 automatic transmissions

Flowmaster American Thunder Exhaust System Header Back 2-1/2" Tailpipe 2-1/2" Tips - Stainless 20194 25 restrictive factory system andFlowmaster's American Thunder crossmember back exhaust system for the 1967 1972 GM C10 C15 1 2 ton 2WD (Coil Spring) pickup truck is perfect for the person looking for moderate to aggressive sound levels with all of the performance benefits that you would expect from Flowmaster. This crossmember back DOR DOS (Dual Out Rear, Dual Out Side) system features dual Super 44 Series mufflers, 2. 50 in. mandrel bent 409S stainless steel tubing and all the