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  • Truck RV 8000 Muffler, Dual In Dual Out
  • SpinTech Truck RV 8000 Muffler
  • SpinTech Truck RV 8000 Muffler
  • SpinTech Truck RV 8000 Muffler
  • Truck RV 8000 Muffler

Product Description

Truck-RV 8000 Muffler

Developed to give you the high performance you want without sacrificing the interior sound level comfort you enjoy

Case size: 4"x 10.5" x 20"

The SpinTech Truck/RV 8000 Muffler makes great SOUND under acceleration, yet at highway speeds you hardly hear it! Works extremely well on all BIG BLOCKS and V-10s!

Product Videos


The sound in this video is really disappointing. Sorry folks. Tried a Sony camcorder and it is nothing like in person. Regardless, it sounds deep and smooth at idle like a diesel but without all the marbles banging around in the engine compartment like a diesel. Under acceleration sounds same with absolutely no droning in the cab. That's why this is my 4th Spintech. Check out the other 3 videos of them.

    The sound in this video is really disappointing. Sorry folks. ...
  • spintech muffl...
    spintech muffler on my 06 gmc sierra. dont ask for the details...

Product Reviews

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  1. 2003 Suburban 2500 8.1 5 Star Review

    Posted by on Jun 22nd 2018

    I installed the 3" dual in dual out on the truck to a factory tailpipe. The spacing was wider than factory but not detrimental and easily overcome. The sound of this muffler is awesome and it handles the big block 496 with ease. The drone in the cab is minimal and very livable. I needed something a little more than factory and got just that (and maybe a little more) with this muffler. Great product!

  2. Great Rumble, less drone 4 Star Review

    Posted by on Nov 14th 2017

    2004 Dodge ram 1500 4.7 v8. Single 2.5 in and out, single tailpipe.
    Really has a nice deep rumble that you don't get with flowmaster or others. Quiet at idle. It is reasonably loud only when you are on the gas. When at idle or cruise it seems really quiet. And really wakes up when on the gas only. So far i'm very pleased. Definitely a light rumble at speed but no drone. Makes my little 4.7 sound much deeper and bigger than it is.

  3. Truck/RV Series Muffler 5 Star Review

    Posted by on Oct 3rd 2017

    Very Heavy construction, definitely expect this to be the last muffler my RV will need. Shipping was timely, this baby and my new headers woke my Olds 455 up!

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