



Fabspeed Porsche 911 Carrera RSR Header Muffler Kit (1976-1989)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Fabspeed Porsche 911 Carrera RSR Header Muffler Kit (1976-1989)SKU: POR. 911. RSRWH32 Fabspeed Porsche 911 Carrera RSR Header Muffler Kit (1976 1989) This complete headers back exhaust system delivers loud aggressive CUP car sound with dual outlets for 1976 1989 Porsche 911 Carrera models. Free flowing RSR long tube headers flow into the Maxflo performance muffler for huge volume increase over stock. Dyno testing shows peak curve gains of 17 whp and 13 ft lbs torque at 3900 RPM plus maximum gains of 12 whp and 11
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Product Reviews
★★★★★ 5
Great for enrichment treats for dogs
Size: Large, Size: Large
Great product and durable. We fill them with wet dog food and freeze it then give it to our dogs as enrichment treats. They love it. It’s super easy to use and strong against dogs bites and chewing
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Reviewed in the United States on December 4, 2025
★★★★★ 5
Keeps My Dog Busy and Happy!
Size: Large
I bought this 2-pack of treat-dispensing toys for my large dog, and they’ve been a total win. The rubber is strong enough to hold up against heavy chewing, but soft enough that it doesn’t hurt his teeth. I like that it’s large, so I can fill it with kibble or small training treats, and it keeps him entertained for a long time.
The best part is how much mental stimulation it gives—he really has to work to get the treats out, which helps with his energy and boredom. I also noticed it slows down his eating when I use it for kibble, which is a huge bonus since he usually gulps food too quickly.
Getting two in a pack is great value. I keep one stuffed in the freezer with peanut butter for a cool snack on hot days and use the other for everyday play. Both clean easily with warm water and soap.
✅ Durable and safe rubber
✅ Keeps dogs busy and mentally stimulated
✅ Doubles as a slow feeder
✅ Great value for a 2-pack
Highly recommend if you want something affordable, durable, and actually fun for your dog!
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Reviewed in the United States on August 18, 2025
★★★★★ 5
Chef’s Kiss! Quality Product at an Amazing Price!
Size: Large
The large is a perfect size for my 66# and 110#. If you have a smaller dog, consider a medium. Fill them with peanut butter, 1/2 banana each, wet kibble (paste) or pumpkin puree, and put into the freezer. Not as stiff as their Kongs. Both dogs are strong chewers and these have held up. Clean the inside with a baby bottle brush.
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Reviewed in the United States on February 25, 2026
★★★★★ 5
Stands up to puppy teeth!
Size: Medium, Size: Medium
I was fostering 2 7-week old puppies that chewed on EVERYTHING! I got these AND a couple of the Kong brand chew toys. These have stood up much better to the puppy teeth than the Kongs did. I throw them in the dishwasher (not every time) and I also have a small straw brush to clean them. They are easy to fill, and once they are done with the treats (PB butter, yogurt, pumpkin, apple sauce etc.), they continue to chew on these. When you throw them, they have a fun bonce. I ended up foster failing one of the puppies, but we still use these often. They still look brand new and I have had them for about 6 months. I got the medium, my dog is about 13 lbs now and the size is perfect for her. The material is strong and I don't hear a peep when she is chewing on it. I would 100% recommend these!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Great toys. Bouncy, chewable long term.
Size: Medium, Size: Medium
We got these for our puppy and to see how they would compare to kongs.
Our dogs love these more than the kongs and so far, with two chewy dogs, they have not destroyed these yet.
They are very bouncy and provide a lot of chasing fun.
We will be buying more and we recommend these.
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Reviewed in the United States on February 28, 2026
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