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1999-2010 GMC Sierra 1500 294 CID
3-1/2 inch Straight Muffler Body
The system includes a pair of Super 40® Series performance mufflers for a deep exterior sound
Introducing the Flowmaster® Outlaw Extreme™ cat-back exhaust system for 2009-2021 Toyota Tundra trucks with either the 4
Tube Material: Aluminized Steel
Flowmonster Performance Muffler 2.50 Dual IN/2.50 Dual OUT 11386-FM 409 Stainles tailpipe 1999-2010 GMC Sierra 1500 294Overview 409 Stainless Steel performance mufflers! Hidden beneath your ride lies a powerful creature destined to dominate. FlowMonster chambered and straight through style mufflers create an aggressive exhaust note giving a powerful voice to your car truck SUV. FlowMonster mufflers are constructed of 16 gauge aluminized steel and 409 stainless steel and are 100% MIG welded for maximum strength and durability. The chambered design cancels out unwanted
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