21021HKR Hooker Muffler, Slip-In
21021HKR Hooker Muffler, Slip-In
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21021HKR Hooker Muffler, Slip-In
Upgrade your vehicle's sound control with the 21021HKR Hooker Muffler. This slip-in muffler is designed for 4-inch side tube sound control, providing a high level of performance and durability.
Key Features:
- Performance Style Glass Pack Design
- Easily Removed For Racing Purposes
- Long Lasting
- Does Not Restrict Engine Efficiency
Whether you're looking for a performance style glass pack or a quieter all-metal reverse flow style for small and big block applications, Hooker mufflers deliver top-notch sound control without compromising engine performance.
Product Specifications:
- Shape: Round
- Inlet Position: Center
- Inlet Diameter: 2-1/2 Inch
- Outlet Position: Center
- Outlet Diameter: 2-1/2 Inch
- Color/Finish: Aluminized
- Case Diameter: 4 Inch
- Material: Steel
- Includes Tip: No
- Tip Length: No Tip
- Tip Diameter: No Tip
- Tip Finish: No Tip
- Tip Material: No Tip
- Internal Construction: Glass Pack
Experience the quality and performance of Hooker mufflers, backed by a limited 90-day warranty. Upgrade your ride with the 21021HKR Hooker Muffler for enhanced sound control and engine efficiency.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

