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Monaco, Monaco
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Review on TOTALFLOW 646 Mini Muffler 409SS 4.5" Round Width 4" Body 6" Overall Length Inner Inlet-3.5" Outer Diameter Outlet by Brad Russell

Revainrating 5 out of 5

Awesome for state inspection

This product is great if your looking to pass inspection for having a muffler but yet still have a loud exhaust. I put it in a 2005 lly duramax and I didn’t notice any difference over straight pipe. Would buy again

Pros
  • The TOTALFLOW 646 Mini Muffler is ideal for race cars and high-performance vehicles
Cons
  • The muffler may cause a decrease in torque