Two Brothers S1R Carbon Fiber Full Exhaust System for 2014 Honda GROM

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Two Brothers005-3740105-S1
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Price:
$476.98 $529.98

Two Brothers S1R Carbon Fiber Full Exhaust System for 2014 Honda GROM

Features:

  • * 10% horsepower increase
  • * Reduces weight by 5.5 lbs
  • * New carbon fiber material
  • * Lightweight spiral-wound perforated core
  • * Machined spring retained connection
  • * High-performance packing material
  • * CNC billet black muffler bracket
  • * CNC billet machined outlet
  • * Lightweight magnesium end cap
  • * Includes a removable P1X power tip

Performance Specs
Stock TBR Difference
Peak HP 8.65 hp 9.5 hp +8.5% hp
Peak Torque 7.64 ft-lbs 8.04 ft-lbs +8.5% ft-lbs
Weight 11.15 lbs 5.65 lbs -5.5 lbs
Catalyst yes no -
O2 Sensor yes yes -


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