4" Diffuser disc for XB-ST and GT Exhaust Systems
SKU:
$5.00
$5.00
Adjust the sound and power curve of your Supertrapp muffler by adding up to six (6) additional discs. More discs = louder with increased HP. Fewer discs = quieter with increased torque. Price is for each disc. We recommend using 16-18 discs total.