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Hooker

Hooker Maximum Flow Muffler

The Maximum Flow flows either direction, allowing for easy installation. Single 4" Center Inlet, Single 4" Center Outlet

Part # 21609HKR Be the first to write a review
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The Hooker Maximum Flow muffler actually flows 99% and produces more horsepower and torque than a 2-1/2" open pipe. The Maximum Flow is constructed of an aluminized steel case with stainless steel internal core and uses a high temperature packing material to absorb excessive noise while allowing a mellow powerful sound. As with all absorption type silencers, the Maximum Flow will be most effective for sound control with lower compression (8.5 to 1 and lower) motors with conservative Camshafts and with applications using catalytic converter(s). The Maximum Flow flows either direction, allowing for easy installation.

Features:

  • High Temp Packing Material Absorbs Excessive Noise while Allowing a Mellow Powerful Sound
  • Bi-Directional Exhaust Flow Design
  • Stainless Steel Perforated Exhaust Core
  • 4-3/4"H x 10-1/4"W x 14"L 16 Gauge Fully Welded Aluminzed Steel Case
  • Single 4" Center Outlet
  • Single 4" Center Inlet

About Hooker

Since the golden era of drag racing in the 1960s, Hooker has helped more racers reach the Winner's Circle than any other header company. From the stoplight to the race track, Hooker exhaust technology will make your car or truck perform and sound better.

Automotive Item GradeHigh Performance
Body Height (in)4.75
Body Length (in)14
Body Width (in)10.25
Brand Hooker
ColorRaw/Bare
Emission Code5
FinishNatural
FitmentUniversal
Inlet Connection TypePipe Connection
Inlet Diameter (in)4
Inlet PositionCenter
MaterialAluminized Steel
Muffler SeriesMaximum Flow
Muffler TypeAbsorption / Glasspack
Outlet Connection TypePipe Connection
Outlet Diameter (in)4
Outlet PositionCenter
Overall Length (in)20
Product TypeStreet Mufflers
ReversibleYes
ShapeOval
Sound LevelAggressive Sound
Type of MufflerGlass Pack
Vehicle TypeClassic Muscle Car
Late Model Muscle Car
Street Rod
Street/Strip
Truck/SUV
UPC090127574300
Part Number21609HKR
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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