SKU: 94966839552

Fits Small Block Chevy, 2.5" Collector-Natural Finish, Exhaust Manifold 8525HKR

$157.47 $174.97
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Description

Fits Small Block Chevy, 2.5" Collector-Natural Finish, Exhaust Manifold 8525HKRHooker's new cast iron small block Chevy exhaust manifolds offer an increase in performance and visual appearance over stock style manifolds. Their compact design fit into a wide variety of replacement and engine swap applications. This means you get the traditional look and easy fitment of a stock style exhaust manifold but now with a smoother, cleaner appearance, plus more modern features. These manifolds are cast out of high silicon molybdenum

Hooker's new cast iron small-block Chevy exhaust manifolds offer an increase in performance and visual appearance over stock-style manifolds. Their compact design fit into a wide variety of replacement and engine swap applications. This means you get the traditional look and easy fitment of a stock style exhaust manifold but now with a smoother, cleaner appearance, plus more modern features. These manifolds are cast out of high silicon-molybdenum ductile iron for high temperature strength and better resistance to oxidation and cracking. Internally these manifolds have a larger than stock 1 5/8-inch cross-sectional area and 2 1/2-inch outlets for better air flow and improved performance. Designed for rectangular port heads, these manifolds fit many popular GM applications including standard straight and Vortec straight plug head designs. Finishes include natural, silver, black, and titanium ceramic. Gaskets and hardware are included, along with weld-on flanges to aid in downpipe installation.


Features:

  • A smoother, cleaner appearance compared to original exhaust manifolds, while maintaining a factory style look and feel
  • Made from high silicon-molybdenum ductile iron for high temperature strength plus resistance to oxidation and cracking
  • Designed with a larger 1 5/8? cross-sectional area and 2 ½? outlets for better air flow and increased performance
  • Designed for rectangular port heads
  • Accommodates standard straight and Vortec straight plug head designs for better application coverage
  • Includes weld-on flanges for easier downpipe pipe installation (custom downpipe required)
  • Available in natural cast iron or ceramic coated finishes (silver, black and titanium)
  • Includes mounting hardware and gaskets for inlet and outlet flanges

Specs:

Bolt Size 3/8-16 x 3/4
Brand Hooker
California Proposition 65 Chemical Name Nickel (Metallic)
California Proposition 65 Required Yes
CARB (California) Compliant No
Collector Diameter 2.50 inch
Emission Code 3
Engine Chevrolet Small Block Gen I
Exhaust Port Shape Rectangle
Header Finish Natural
Header Style Manifold
Material Cast Iron
Primary Tube Diameter (in) 1-5/8 inch
Product Type Manifold
Sale Category Exhaust

Application:

Year Make Model Submodel
1968-1974 Chevrolet C10 Pickup Base
1968-1974 GMC C15/C1500 Pickup Base
1973-1974 Buick Century Base
1973-1974 Buick Century Luxus
1961-1974 Buick LeSabre Base
1974 Buick LeSabre Luxus
1973-1974 Buick Regal Base
1958-1974 Chevrolet Bel Air Base
1970-1974 Chevrolet Camaro Base
1973-1974 Chevrolet Camaro LT
1970-1974 Chevrolet Camaro Z28
1973-1974 Chevrolet Caprice Classic
1973-1974 Chevrolet Caprice Estate
1958-1974 Chevrolet Impala Base
1973-1974 Chevrolet Laguna Base
1974 Chevrolet Laguna Type S-3
1964-1974 Chevrolet Malibu Base
1974 Chevrolet Malibu Classic
1973-1974 Chevrolet Malibu Estate
1971-1974 Chevrolet Monte Carlo Base
1973-1974 Chevrolet Monte Carlo Landau
1961-1974 Oldsmobile Cutlass Base
1968-1974 Oldsmobile Cutlass S
1971-1974 Oldsmobile Delta 88 Base
1971-1974 Oldsmobile Delta 88 Royale
1958-1974 Pontiac Catalina Base
1959-1974 Pontiac Catalina Safari
1971-1974 Pontiac Firebird Base
1971-1974 Pontiac Firebird Esprit
1971-1974 Pontiac Firebird Formula
1971-1974 Pontiac Firebird Trans Am
1973-1974 Pontiac Grand Am Base
1962-1974 Pontiac Grand Prix Base
1963-1974 Pontiac LeMans Base
1972-1974 Pontiac LeMans Luxury
1969-1974 Pontiac LeMans Safari
1974 Pontiac LeMans Safari Luxury
1970-1974 Pontiac LeMans Sport
1971-1973 Buick Centurion Base
1965-1973 Buick LeSabre Custom
1970-1973 Chevrolet Camaro RS
1965-1973 Chevrolet Chevelle Deluxe
1973 Chevrolet Laguna Estate
1973 Chevrolet Monte Carlo S
1964-1973 Pontiac GTO Base
1970-1972 Buick Skylark 350
1961-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1964-1972 Buick Sportwagon Base
1958-1972 Chevrolet Biscayne Base
1970-1972 Chevrolet Camaro SS
1971-1972 Chevrolet Caprice Base
1964-1972 Chevrolet Chevelle Base
1967-1972 Chevrolet Chevelle Concours
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1964-1972 Chevrolet Chevelle SS
1972 Oldsmobile Cutlass Cruiser
1961-1972 Oldsmobile F85 Base
1971-1972 Pontiac Catalina Brougham
1971 Oldsmobile Delta 88 Custom
1970-1971 Pontiac GTO The Judge
1971 Pontiac LeMans T37
1959-1970 Chevrolet El Camino Base
1968-1970 Chevrolet El Camino Custom
1968-1970 Chevrolet El Camino SS
1964-1970 Oldsmobile Vista Cruiser Base
1958-1970 Pontiac Bonneville Base
1959-1970 Pontiac Bonneville Safari
1962-1970 Pontiac Catalina Ventura
1967-1970 Pontiac Executive Base
1967-1970 Pontiac Executive Safari
1961-1970 Pontiac Tempest Base
1970 Pontiac Tempest GT
1961-1969 Buick Special Base
1966-1969 Buick Sportwagon Custom
1967-1969 Chevrolet Chevelle 300 Deluxe
1961-1969 Pontiac Tempest Custom
1961-1969 Pontiac Tempest Safari
1967-1968 Chevrolet Chevelle 300
1961-1967 Buick Special Deluxe
1964-1967 Chevrolet Impala SS
1964-1967 Oldsmobile Cutlass Holiday
1967 Oldsmobile Cutlass Turnpike Cruiser
1964-1967 Oldsmobile Vista Cruiser Custom
1964-1967 Pontiac Catalina 2+2
1962-1966 Oldsmobile F85 Deluxe
1966 Oldsmobile F85 Holiday
1958-1966 Pontiac Star Chief Base
1966 Pontiac Star Chief Executive
1962-1965 Buick Wildcat Base
1965 Buick Wildcat Custom
1965 Buick Wildcat Deluxe
1962-1965 Chevrolet Chevy II Base
1962-1965 Chevrolet Chevy II Nova
1964-1965 Chevrolet Chevy II Nova SS
1961-1965 Oldsmobile Starfire Base
1961-1963 Buick Invicta Base
1959-1962 Pontiac Bonneville Custom
1961-1962 Pontiac Tempest LeMans
1960-1961 Pontiac Ventura Base
1960 Chevrolet Biscayne Fleetmaster
1958 Chevrolet Del Ray Base
1958 Pontiac Chieftain Base
1958 Pontiac Chieftain Safari
1958 Pontiac Star Chief Custom Safari
1958 Pontiac Star Chief Super Deluxe
1958 Pontiac Super Chief Base
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 94966839552

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4.4 ★★★★★
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Product Reviews
R
Verified Purchase
Robert R.
Alexandria, US
★★★★★ 5
Dogs love it
This our second one. The fogs destroyed the first one. Good toy and great for applying peanut butter in the grooves.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
P
Verified Purchase
Pam
Fort Morgan, US
★★★★★ 5
Great toy
Style: Turtle, Style: Turtle
I bought three of these turtle toys as Christmas gifts for various family member's dogs. Every single dog loves it! My dog has never been interested in any other treat toy I've given her. She's just not a foodie type dog. But, she's crazy about this one. She loves that it's floppy and the crinkly noise that it makes. The treats are surprisingly secure but she's happy to work at getting to them because the noise is rewarding during the process. While the edges of the treat pockets are starting to fray a bit, it doesn't affect the usability of the toy at all. I'm honestly shocked that my dog hasn't Shredded the entire toy with the amount of enthusiastic chewing she's given it. The only issue I have is that the opening to the shell is a bit small. It's kind of difficult to get the toy's long neck stuffed into the shell. But, I suppose if it was any bigger, it would be too easy for the dog to pull it out. So, overall, this dog toy is a huge winner!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 1, 2025
J
Verified Purchase
Julia Prebonick
Louisville, US
★★★★★ 5
Good for dogs who like to rip stuff up
Style: Alligator
Apparently it’s really good because my dogs already destroyed it. So I’ll take that as a success. It’s a good size for big dogs. Not the strongest, but I didn’t get it for that reason, I got it to be destroyed. Both my dogs were able to play tug of war with it.
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Reviewed in the United States on February 4, 2026
K
Verified Purchase
KylieSC
Carnegie, US
★★★★★ 4
A great enrichment toy to keep your dog occupied
Style: Fox
Do you have a small furry gremlin disguised as a dog in your life that needs entertaining while you work? Get yourself one of these! PROS - it keeps a smart dog occupied for anywhere between 10-20 minutes - if keeps a less than smart dog occupied a lot longer - you can fit quite a lot of treats of different sizes in there - you can throw it in the washing machine when it gets too dirty - also doubles as a tug of war toy CONS - it gets dirty fast - if you have a heavy chewer they'll rip it up and render it useless pretty quickly - it squeaks (good for dog not for human) This is one of my girls favourite toys, even now that she's a bit older and doesn't need constant stimulation she still enjoys running around with it and digging the treats out.
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Reviewed in the United States on September 13, 2025
M
Verified Purchase
Myles Rutledge
Houston, US
★★★★★ 5
Dog loved it.
Style: Frog
Dog loved it, squeaker lasted about 5 minutes, which is about normal for any toy I’ve given her.
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Reviewed in the United States on May 21, 2026

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