Exhaust› Mufflers and Resonators
Hooker
SC UNV CHMBERED 2.25
SKU: H00I 21501HKR
Moderate — 2–4 hours
Description
Part #: 21501HKR
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.
Features:
- Feature intricate stainless steel, robotic weld seams
- Stainless Steel Perforated Internal Plate Eliminates Rust
- Stepped acceleration Chamber Increases Exhaust Gas Velocity and Maximum Flow
- Deep Throaty Powerful Sound
- Resonance Chamber and Tuning Tube Cancels Unwanted Frequencies and Amplitudes (No annoying tin can sound or drone at cruising speed)
- Aerodynamic Design
- Sound Absorption Chamber eliminates High Frequeny Sound Waves for Deep Throaty Powerful Sound
- 23 Percent More Flow Than Others
- Aerodynamic Lens Directs Sound Pressure Waves into Acceleration Chamber and Out of Muffler
- Cancels Unwanted Frequencies And Amplitudes
- Stainless Steel Perforated Internal Plate Eliminates Internal Rust
- Three Internal Bulk Heads For Durability And Stability
- Reinforced Inlets and Outlets
- Robotic Weld Seams/Reinforced Inlet/Outlet
- 4-3/4"H x 10-1/4"W x 14"L 16 Gauge Raw Aluminzed Steel Case
- Stepped Acceleration Chamber Increases Gas Velocity And Max Flow
- Single 2-1/4" Center Outlet
- Sound Absorption Chamber
- Single 2-1/4" Offset Inlet
- Three Internal Bulk Heads for Superior Case Durability and Stability
Aero Chamber Muffler | Universal Turbo Style | 4.75 in. H x 10.25 in. W x 14 in. L | 2.25 in. ID | 2.25 in. OD | Offset Inlet | Single Center Outlet | Uncoated
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | Hooker |
| Part Number | H00I 21501HKR |
Videos
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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