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Hooker Header Back Exhaust System 16522HKR

Hooker Header Back Exhaust System 16522HKR
Hooker Header Back Exhaust System 16522HKR
$461.99 ea
NEWARRIVING SOONEstimated Ship Date 05/29/2025 (If Ordered Today)73 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/09/2025
Model: 4008636
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
STORE PICKUP
[More Info]
Designed for Hooker Competition 2452HKR 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
  • Fits Long Wheelbase Only
Designed to work with header number 2452HKR. Will not fit with stock manifolds that exit straight down.
Installation Notes:
Designed to work with header number 2452HKR. Will not fit with stock manifolds that exit straight down.
About Hooker

At the HEART of any performance vehicle is the exhaust system. For decades, many of the most powerful vehicles on the planet have used Hooker Headers. To stay in front, we introduced the Blackheart line of Performance Exhaust Systems for popular late model vehicles. Utilizing the latest technology and materials to design exhaust systems, engine swap kits and mufflers for both Import and Domestic cars and trucks. From cylinder head flange to tailpipe, Blackheart is engineered to provide maximum exhaust velocity, ground clearance, style, performance, and quality.

Downloads:

Download Name File Size
16522-621hkrrev1.pdf292.74KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Chevrolet Blazer 1969 5.0L / 307 / V8
5.7L / 350 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet Blazer 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet Blazer 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet Blazer 1972 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Pickup 1963 4.6L / 283 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Pickup 1964 4.6L / 283 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Pickup 1965 4.6L / 283 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Pickup 1966 5.3L / 327 / V8
4.6L / 283 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Pickup 1967 5.3L / 327 / V8
4.6L / 283 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Pickup 1968 5.0L / 307 / V8
5.4L / 327 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Pickup 1969 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Pickup 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Pickup 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Pickup 1972 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Suburban 1969 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Suburban 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Suburban 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C10 Suburban 1972 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Pickup 1963 4.6L / 283 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Pickup 1964 4.6L / 283 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Pickup 1965 4.6L / 283 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Pickup 1966 5.3L / 327 / V8
4.6L / 283 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Pickup 1967 5.3L / 327 / V8
4.6L / 283 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Pickup 1968 5.4L / 327 / V8
5.0L / 307 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Pickup 1969 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Pickup 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Pickup 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Pickup 1972 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Suburban 1969 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Suburban 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Suburban 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C20 Suburban 1972 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C30 Pickup 1963 4.6L / 283 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C30 Pickup 1964 4.6L / 283 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C30 Pickup 1965 4.6L / 283 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C30 Pickup 1966 5.3L / 327 / V8
4.6L / 283 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C30 Pickup 1967 5.3L / 327 / V8
4.6L / 283 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C30 Pickup 1968 5.4L / 327 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C30 Pickup 1969 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C30 Pickup 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C30 Pickup 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
Chevrolet C30 Pickup 1972 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C15/C1500 Pickup 1967 5.3L / 327 / V8
4.6L / 283 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C15/C1500 Pickup 1968 5.4L / 327 / V8
5.0L / 307 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C15/C1500 Pickup 1969 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C15/C1500 Pickup 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C15/C1500 Pickup 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C15/C1500 Pickup 1972 5.7L / 350 / V8
5.0L / 307 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C15/C1500 Suburban 1969 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C15/C1500 Suburban 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C15/C1500 Suburban 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C15/C1500 Suburban 1972 5.7L / 350 / V8
5.0L / 307 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C25/C2500 Pickup 1967 4.6L / 283 / V8
5.3L / 327 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C25/C2500 Pickup 1968 5.4L / 327 / V8
5.0L / 307 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C25/C2500 Pickup 1969 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C25/C2500 Pickup 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C25/C2500 Pickup 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C25/C2500 Pickup 1972 5.7L / 350 / V8
5.0L / 307 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C25/C2500 Suburban 1969 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C25/C2500 Suburban 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C25/C2500 Suburban 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C25/C2500 Suburban 1972 5.7L / 350 / V8
5.0L / 307 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C35/C3500 Pickup 1967 4.6L / 283 / V8
5.3L / 327 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C35/C3500 Pickup 1968 5.4L / 327 / V8
5.0L / 307 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C35/C3500 Pickup 1969 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C35/C3500 Pickup 1970 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C35/C3500 Pickup 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC C35/C3500 Pickup 1972 5.7L / 350 / V8
5.0L / 307 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC Jimmy 1970 5.0L / 307 / V8
5.7L / 350 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC Jimmy 1971 5.7L / 350 / V8 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;
GMC Jimmy 1972 5.0L / 307 / V8
5.7L / 350 / V8		 Dual Competition Header Back Exhaust System Kit; Will Not Fit Stock Manifolds That Exit Straight Down;

Specifications:

Emission Code 4
Exhaust Series Hooker
Material Aluminized Steel
Muffler Type None
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Sound Level Pipe Only
System Type Header-back
Tips None
Tubing Diameter (in) 2.25
Type of Exhaust Header-Back

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