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Product Description
The Newest SpinTech Muffler - Super Pro Street 9000XL is an impressive addition to your vehicle’s exhaust system.
- Quieter Performance: The 9000XL is designed to be quieter than the already aggressive Super Pro Street 9000 muffler.
- Wider Body: Its wider body measures 4 inches in height, 8.5 inches in width, and 9 inches in depth.
- Dual Inlet/Outlets: The dual inlet/outlets configuration simplifies installation, especially when running dual tail pipes.
- Material Options:
- 16-Gauge Aluminized Steel: A durable choice for reliable performance.
- 304 Stainless Steel: Offers excellent corrosion resistance and longevity.
Whether you’re aiming for improved sound, horsepower gains, or both, the 9000XL Super Pro Street muffler delivers. Plus, it’s backed by SpinTech’s commitment to quality and innovation.
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Product Reviews
16 Reviews Hide Reviews Show Reviews
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9000XL
I purchased this muffler, expecting an easier installation and the same great sound as the super pro street 9000. I had the original 9000 installed on a previous truck and absolutely loved it. The XL sound Is not even close to the original. It actually sounds as mellow as a 50 series flow. I love the sound of these mufflers and their quality, just wished I had knew how much "quieter" it was going to be and I would have selected the regular super pro street instead.
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Amazing sound!
Installed this on my 5.7L Hemi with factory cats and resonators. Sound is beautiful, just the perfect loudness of bubbly growl! Very happy with the results.
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Amazing!
My husband was very surprised with the quality and sound! He said it was much louder than expected. I myself was also very impressed. It sounds amazing!
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Amazing sound
My truck has never sounded better. The only disclaimer is to be prepared to lower your MPGs a few numbers for all the heavy acceleration you’re going to do. I can’t get enough!
