Hooker Competition Manifold Back Exhaust Systems 16621HKR System, Manifold-Back, Steel, Aluminized, Chevy, GMC, RWD Small Block
Hooker Competition Manifold Back Exhaust Systems 16621HKR System, Manifold-Back, Steel, Aluminized, Chevy, GMC, RWD Small Block
Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:44:24
Features
Note for Australian and European Markets
Unless otherwise stated, this product may be engineered for use in Left-Hand Drive vehicles. Steering components, pedals, shifters, linkages, wing mirrors, instrument clusters, panhard rods/traction bars, drag links, brake boosters, brake or clutch lines, accelerator cables, heater cores, some master cylinders and adjacent parts can vary between LHD and RHD configurations. In some models compenents such as windscreen wiper arms, motors and linkages could differ in their size and orientation. Items such as floor mats & dash mats may have differences in their structure around the front row (or padding in different locations). In many cases items are identical depending on the design of the vehicle and part, but may have differing mounts, lengths or bolt patterns. Carefully review the product images and details to ensure suitability for your vehicle, or contact StreetFX support if you are unsure. Returns are not accepted for special order products.
(keyword: manifold)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Hooker Headers, Hooker, Hooker (holley), Hooker Blackheart |
| StreetFX SKU | hok16621HKR |
| SFX Item ID | 5013474 |
| Accounting SKU | hok-16621HKR |
| Manufacturer SKU | 16621HKR |
| Manufacturer UPC | 700414023892 |
| Alternative References | 16621HKR, HKR16621HKR, HOK-16621HKR |
Exhaust System, Manifold-Back, Steel, Aluminized, Chevy, GMC, RWD Small Block
Hooker manifold-back Competition exhaust systems feature large-diameter, 16-gauge steel tubing for improved efficiency, less backpressure, and longer life. Each system is mandrel-bent to maintain a consistent inside diameter for maximum flow. All systems come without mufflers.
| Product Attributes | |
|---|---|
| Brand | Hooker Headers |
| Manufacturer's Part Number | 16621HKR |
| Part Type | Exhaust Systems |
| Product Line | Hooker Competition Manifold Back Exhaust Systems |
| UPC | 700414023892 |
| System Material | Steel |
| System Style | Manifold-back |
| Exhaust Type | Dual |
| Exit Location | Split side |
| System Finish | Aluminized |
| Catalytic Converter(s) Included | No |
| Intermediate Pipe Diameter (in.) | 2.25 in. |
| Muffler Included | No |
| Hardware Included | Yes |
| Tailpipe Diameter (in.) | 2.25 in. |
| Tip Included | No |
| Remanufactured | No |
| Quantity | Sold as a kit. |
| Notes | Must use 2 1/4 in. offset inlet/center outlet muffler. Long wheel base models only. Will not fit stock exhaust manifolds that exit straight down. Wheelbase greater than 132 inch will require tailpipe extensions to provide proper tailpipe exit. |
| Special Attention | It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards. |
Compatibility
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