1-Chamber Small Muffler - 2.5" Inlet Offset/Outlet Offset 11mm The Heatshield gasket kit gives

The Heatshield gasket kit gives you 4-5% more power immediately by lowering the intake temperature

Fully ported low angle merge collector

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If you have an auto-based chassis

1-Chamber Small Muffler - 2.5" Inlet Offset/Outlet Offset 11mm The Heatshield gasket kit givesHidden beneath your ride lies a powerful creature destined to dominate. FlowMonster chambered 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 are 100% MIG welded for maximum strength and durability. The chambered design cancels out unwanted frequencies with no packing producing an aggressive exhaust note that will not change with time.