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Description
1973-1974 Chevrolet K10 Pickup Header Back Exhaust System Hooker 16526HKROverview Designed for Hooker Competition header back applications. This system uses 2. 25 inch 16 gauge aluminized tubing to reduce back pressure and improve engine efficiency. The system is mandrel bent to eliminate any crush sections in the tubing to help maximize the exhaust flow for better performance. Features Mandrel Bent Tubing Eliminates Restrictions in Bends and Improves Exhaust Flow Reduces Backpressure Improves Engine Efficiency Hardware
Overview
Designed for Hooker Competition header back applications. This system uses 2.25-inch 16-gauge aluminized tubing to reduce back-pressure and improve engine efficiency. The system is mandrel bent to eliminate any crush sections in the tubing to help maximize the exhaust flow for better performance.
Features
- Mandrel Bent Tubing Eliminates Restrictions in Bends and Improves Exhaust Flow
- Reduces Backpressure
- Improves Engine Efficiency
- Hardware Included
- Instructions Included
Application
| Year | Make | Model | Engine |
| 1973-1974 | Chevrolet | K10 Pickup/K20 Pickup/K30 Pickup |
350/5.7L V8 307/5.0L V8 |
| 1973-1974 | GMC | K15 Pickup/K25 Pickup/K35 Pickup |
350/5.7L V8 307/5.0L V8 |
| 1973-1974 | GMC | K1500 Pickup/K2500 Pickup/K3500 Pickup |
350/5.7L V8 307/5.0L V8 |
Fitment Notes
- P/N 16526HKR was designed to be used with Hooker Competition Headers, 2453HKR. If the dual exhaust is being installed with headers other than 2453HKR, modifications will be required. We will not assume responsibility for fit or performance
- Mufflers are not supplied with this exhaust system. Hooker Headers has designed this kit in conjunction with Hooker Turbo Muffler (21005HKR) or any equivalent 2 ¼” ID inlet by 2 ¼” ID outlet single offset OEM muffler. Glasspack mufflers may be used with slight modifications.
- Breaking in an engine with ceramic-coated headers WILL result in damage to the coating and will VOID all warranties. Ceramic-coated headers require several heat cycles to fully cure before they will withstand extreme heat. HOOKER recommends using a cast-iron exhaust manifold or an old header to break in new engines to avoid coating damage.
Specs
| Brand | Hooker |
| Emission Code | 4 |
| Exhaust Series | Hooker |
| Material | Aluminized Steel |
| Muffler Type | None |
| Product Type | Exhaust System |
| Sound Level | Pipe Only |
| System Type | Header-back |
| Tips | None |
| Tube Size | 2-1/4 inch |
| Type of Exhaust | Header-Back |
| Warning | California Proposition 65 |
Emissions
- This part is legal for sale or use on Racing Use Only Vehicles
- The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.
- WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
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
4.0 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Great product
Color: 14AWG-2 Lead
A lot cheaper than getting wire, a relay, connectors, fuse, etc. Great durability, like the extra coating over the wires. Mounted the relays in a spot where they get totally soaked. They were sitting in water when I tested them out they works great so I’d say water resistant is an understatement. Overall great product.
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Reviewed in the United States on October 24, 2022
★★★★★ 5
Makes wiring lights faster and cleaner
Color: 14AWG-2 Lead
Harness is well insulated and much easier to use than running wires separately. I’ve installed 2 kits and they work well. Greatly simplifies wiring auxiliary lights on a vehicle.
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Reviewed in the United States on August 13, 2023
★★★★★ 5
Great
Color: 14AWG-2 Lead
Good quality and affordable
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Reviewed in the United States on October 30, 2024
★★★★★ 4
Got me hooked UP!
Color: 14AWG-2 Lead, Color: 14AWG-2 Lead
This harness was easy to use long enough to reach all my lights and got me lit up in about an hour only because I had to drill holes for my lights themselves. The harness was super easy to use super easy to tie strap up, so it wouldn’t be seeing or keep out of the way of moving parts
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Reviewed in the United States on October 21, 2024
★★★★★ 5
Good value, nice kit, simple install if you are OK with auto wiring.
Color: 26Inch light White +Wiring Harness
This is my second purchase of this light system. It is a great value for the money. It is pretty darned bright. The wiring harness is complete and would make for an easy install as directed. I'm an EE, so I did some hacks on the system myself, I added some connections to the existing headlight circuit so I could slave the high beam switch to the light bar. Now the switch included with the system functions as an arming switch for the light bar, rather than a simple on/off function. Prior, to turn the bar on and off, you of course used the switch. Now, the bar is slaved to the high beams, so both bar and stock high beams come on using the stock light lever on the steering column, and bar and high beams turn off when you set the lever to low beams. This allows the bar to act as a complement to the high beams, and for you to control them with the high beam lever after arming the system to do so. Overall, a great setup and good product. This bar is installed on my 2000 Fourrunner, my first is installed on a 2003 E350 where I did the first high beam+light bar trick.
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Reviewed in the United States on January 20, 2026