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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
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Description
Hooker Aero Chamber Muffler 21729HKROverview The all aluminized and stainless 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
Overview
The all aluminized and stainless 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
- Universal Camaro/Firebird Replacement
- Single 3" Offset Inlet
- Dual 2-1/2" Outlets
- 4-3/4"H x 10-1/4"W x 20"L 16 Gauge Aluminzed Steel Case
- O.E. Mounting Provisions
- Reinforced Inlets and Outlets
- Stainless Steel Perforated Plate eliminates Internal Rust
- Aerodynamic Lens Directs Sound Pressure Waves into Acceleration Chamber and Out of Muffler
- Sound Absorption Chamber eliminates High Frequeny Sound Waves for Deep Throaty Powerful Sound
- Resonance Chamber and Tuning Tube Cancels Unwanted Frequencies and Amplitudes
- Stepped acceleration Chamber Increases Exhaust Gas Velocity and Maximum Flow
- Three Internal Bulk Heads for Superior Case Durability and Stability
Application
Specs
| Automotive Item Grade | High Performance |
| Body Height (in) | 4.75 |
| Body Length (in) | 14 |
| Body Width (in) | 10.25 |
| Brand | Hooker |
| Color | Silver |
| Emission Code | 5 |
| Finish | Natural |
| Fitment | Universal |
| Inlet Connection Type | Pipe Connection |
| Inlet Diameter (in) | 3 |
| Inlet Position | Offset |
| Material | Aluminized Steel |
| Mounting Type | Uses Factory Hangers |
| Muffler Series | Aero Chamber |
| Muffler Type | Reflection |
| Outlet Connection Type | Pipe Connection |
| Outlet Diameter (in) | 2.5 |
| Outlet Position | Dual |
| Overall Length (in) | 17 |
| Product Type | Muffler |
| Shape | Oval |
| Sound Level | Aggressive |
| Warning | California Proposition 65 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Men's Mock Neck Zip Pullover - Purple
Color: Smoky Purple Melange, Size: 3X-Large
Great fabric, color and fit! Purchased this for my husband to wear Easter and it was very nice quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
★★★★★ 5
Great Quality and Price
These are the perfect weight for cool Arizona nights and make a great layer for colder climates. The fleece lining is very soft and comfortable and the shirt is true to size. Great price for excellent quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 2, 2026
★★★★★ 5
By far the best 1/4 pull over zip I have ever bought - 5 stars
This is the most comfortable and best looking pullover 1/4 zip I have ever bought. It looks really good on me and it is super soft, but not too soft that it looks cheap. I did not get hot in it and I get hot easy in long sleeves. It breaths well and yet also kept me from a chilly breeze. The collar is one of the best I have ever found for a pull over like this as it does not poke me and it stays upright and looks very sharp. The only thing about it is that I had to put it in my steam dryer and then hang upside down to dry overnight as it had a few wrinkles in it when it came. So it is not 1,000% wrinkle free, but after wearing it half a day it did not wrinkle at all. As long as you keep it on a long wooden hanger I do not think it will wrinkle. If you dont have long wooden hangers thought, since it is a tad heavy, the shoulders I think would get bumps hanging a long time in the closet on a short hanger (like all long sleeve shirts with a little weight like this would). I got this one as it was I thought the most masculine color match. I would love to see this in other colors and keep everything else the same. I love the inner collar pattern design as it gives it a nice look. I am 5'11" and about 230 lbs and it fit me in a XL perfect. I have broad shoulder and bigger chest and a bit of a dad bod, so I wanted something that is not baggy nor snug on my mid area (so I don't look fat). This is the perfect length too, it is long enough it won't come up if I reach up and show my stomach, and long enough to be a tag long in the back, but short enough that it doesn't look too long. All in all, this size and fit was perfect for me. My style is I want to look good but I have to be comfortable and that is not the easiest to do, but this with some nice pants (of any kind) is a really sharp look and comfortable.
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Great shirts at a reasonable price.
Great shirts for the price. The fit is true to size, and they have a quality look that rivals shirts 5 times the price. Definitely recommend.
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Reviewed in the United States on February 10, 2026
★★★★★ 4
Nice Mik
Color: Tan Melange, Size: Large
Nice sweater looks great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
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