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Hooker 21501HKR Aero Chamber Muffler, Single 2-1/4 Inch Offset Inlet
Hooker 21501HKR Aero Chamber Muffler, Single 2-1/4 Inch Offset Inlet

Hooker 21501HKR Aero Chamber Muffler, Single 2-1/4 Inch Offset Inlet

Universal Fit, Chambered Muffler Type, 2.25" Inlet Diameter, 2.25" Outlet Diameter

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Hooker 21501HKR Aero Chamber Muffler, Single 2-1/4 Inch Offset Inlet
Hooker 21501HKR Aero Chamber Muffler, Single 2-1/4 Inch Offset Inlet
Hooker 21501HKR Aero Chamber Muffler, Single 2-1/4 Inch Offset Inlet
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Hooker 21501HKR Aero Chamber Muffler, Single 2-1/4 Inch Offset Inlet
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Part # 42521501HKR1
$89.75
$91.71
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Details

Muffler Type:
Chambered
Inlet Diameter:
2.25"
Outlet Diameter:
2.25"
Body Length:
14.00"
Overall Height:
4.75"
MFG. Part #:
21501HKR
GTIN Code:
700414030951
Sold in Quantity:
Each

Info

The raw aluminized steel Aero Chamber is designed to do much more than simply muffle exhaust noise. The Aero Chamber Muffler produces a deep throaty powerful sound that will not change with time. The Hooker Aero Chamber uses a unique step principal, similar to that which is currently popular in racing header design. The aerodynamically designed chambers flow 23% better and produce more horsepower and torque than the most popular high performance brand.

  • Feature intricate stainless steel, robotic weld seams
  • Stepped acceleration Chamber Increases Exhaust Gas Velocity and Maximum Flow
  • Resonance Chamber and Tuning Tube Cancels Unwanted Frequencies and Amplitudes (No annoying tin can sound or drone at cruising speed)
  • Sound Absorption Chamber eliminates High Frequeny Sound Waves for Deep Throaty Powerful Sound
  • Aerodynamic Lens Directs Sound Pressure Waves into Acceleration Chamber and Out of Muffler
  • Stainless Steel Perforated Internal Plate Eliminates Internal Rust
  • Reinforced Inlets and Outlets
  • 4-3/4"H x 10-1/4"W x 14"L 16 Gauge Raw Aluminzed Steel Case
  • Single 2-1/4" Center Outlet
  • Single 2-1/4" Offset Inlet
  • Three Internal Bulk Heads for Superior Case Durability and Stability

Charts

Installation Instructions (PDF)

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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  • Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
  • If you're ready to get your street machine sounding as good as it looks, it's important to know how each muffler will affect your sound and performance. Take a listen and decide which muffler is best for your rod.
  • Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
  • A new motor deserves new exhaust. Click here for a rundown on selecting the best setup!

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