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  Performance 1st Muffler











Performance Muffler Design

Conclusions based on extensive Dynamometer testing:

Conventional Mufflers:

  • Large Opening (i.e. glass packs, Vance & Hines, Thundercones, etc.)
    • Good top end horsepower gains but loss of low end torque
    • Very noisy

  • Small Opening (i.e. ususally mechanicals baffles, Paughco, Screamin Eagel, Supertrapp, etc.)
    • Good torque and low to mid horsepower gains. Very limited mid to peak horsepower
    • Quiet to medium noise levels, quiet ones result in significant horsepower loss

  • Hybrids (i.e. usually some sort of louvered core, Samson, Bub, etc.)
    • Moderate torque and horsepower
    • Medium noise levels

We use PROVEN PATENTED TECHNOLOGY in the design of our PERFORMANCE 1st mufflers.

PERFORMANCE 1st mufflers:

  • At low RPM act like mechanical baffles for good torque.

  • At higher RPM, unique baffle design maintains peak exhaust velocity. This translates into optimum flow and real world horsepower gains.

  • Baffle designed to minimize shockwaves, common to large open muffler designs. This results in a much quieter muffler.

TORQUE AND HORSEPOWER GAINS WITH ONE OF THE QUIETEST MUFFLERS AVAILABLE!

Phone Orders call 1-925-552-7081

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