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american thunder

  1. Flowmaster HELP: 2015 1500 Big Horn

    Exhaust
    Hello all, I just got done (or so I hoped) installing an American Thunder muffler on my 2015 1500 Big Horn. I couldn't find torque specs for the clamps anywhere. I found something for Magnaflow and it said 41ft/lbs so I went with 40. I plugged up one of the tail pipes and put my shop vac in...
  2. Flowmaster American Thunder muscle truck exhaust?

    Exhaust
    I really like the looks of this exhaust system part # 17398 http://www.flowmastermufflers.com/shop/index.php?main_page=product_info&cPath=0&products_id=3847&ab=17398&recordID=&vehicle=&orig=17398 I've done some searching around and I have not found any pictures and the only video I found on...
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