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- USA
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
Multi-Fit-2.50 In. Outlet-Gen Iii/Iv Chevrolet Ls Swap Exhaust Manifolds-8503-1HKRHooker Blackheart now offers stainless steel versions of our popular cast iron lineup of LS swap exhaust manifolds based on the 8502HKR and family. The new stainless steel manifolds offer a number of advantages over the cast iron version, including increased durability, reduced weight, and improved corrosion resistance. The shorty tight tuck design means you can route exhaust tubing close to your frame floor pan for maximum ground clearance. These are
Hooker Blackheart now offers stainless steel versions of our popular cast iron lineup of LS swap exhaust manifolds based on the 8502HKR and family. The new stainless steel manifolds offer a number of advantages over the cast iron version, including increased durability, reduced weight, and improved corrosion resistance. The shorty tight tuck design means you can route exhaust tubing close to your frame/floor pan for maximum ground clearance. These are available in both natural cast and polished depending on the look you're going for and all hardware is included (gaskets, bolts, and flanges).
Features:
- 2.5 inch outlet diameter offers improved flow for maximum performance from a cast exhaust manifold
- Tight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance
- Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired
- Polished finish, but also available in natural cast finish for a factory appearance
- Nickel plated steel mating flanges, MLS mating flange gaskets, and mating flange hardware included
- Stainless Steel construction to provide unmatched durability and corrosion resistance
- Perfect complement to Hooker engine swap mount plates and Holley engine swap oil pans
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
4.5 ★★★★★
Based on 2433 reviews
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Product Reviews
★★★★★ 5
10/10 Recommend
I purchased this for our trip to Texas from Alabama with our 2 year old American bulldog in tow. I wanted something that was able to keep her secure, but something that would be comfortable for her. I was also concerned about sizing because even though she is a medium sized dog, she has a wide chest. I got an XL. It fit her perfectly with the adjustable straps, it was easy to get it on and off of her, she didn’t mind it at all, and the straps were strong enough to keep her safe and in place.
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Reviewed in the United States on January 8, 2020
★★★★★ 5
Chew toy that will last!
Color: Blue&Red Fish
Great toy for a real chewer. It's been in the house for about 5 days and the toy is still intact and the squeaker is still squeaking.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
My puppy love these.And he's an extra large american bully , so he put them through their paces
Color: Blue&Red Fish
These toys were an excellent choice. My puppy really enjoyed him and he's definitely an aggressive chewer.He's an extra large american bully. But a big baby, especially when it comes to his toy\nOf course he's tough on them But These definitely held up well. So if you have a.n aggressive Chewer these are an excellent choice
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Great toy for aggressive chewers
Color: Purple & Blue
My dog loves this!
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Reviewed in the United States on June 12, 2026
★★★★★ 5
Good chew toy
Color: Purple & Blue
Our golden retrievers love these. They last awhile too
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Reviewed in the United States on May 24, 2026