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Our GT3 Muffler Adapter kit comes with everything you need to mount a GT3 muffler on your 981 except the muffler and tips! - No cats, no valves.


The kit is made with 2.5" 321 Stainless Steel for a lifetime of trouble free use.  


The GT3 Muffler adapter is used in our popular D4 (stage 4) GT4 power kit, and fits all 981 chassis cars!


  • 2.5" 321 Stainless over axle pipes
  • GT3 Muffler Bracket
  • GT3 Muffler Straps