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Borla 40057 Borla Boomers Thumper Muffler


Buy this Borla Borla Boomers Thumper Muffler 40057 Center/Center - 2.25 in. Inlet - 4 in. Round Tip - 14 in. x 4.5 in. x 7.88 in. Case Size - Oval Body - T-304 Stainless Steel at with the lowest prices online for all Borla aftermarket parts & accessories.

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Borla Borla Boomers Thumper Muffler P/N 40057 Features:

The following are a list of features for the Borla P/N 40057 Borla Boomers Thumper Muffler on sale at

  • Dyno And Race Proven Mufflers
  • Rear Mounted Muffler With Tip
  • Fully Polished
  • Boost Horsepower 7 To 10 Percent
  • Add Head Turning Sound
  • Million Mile Warranty

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BORLA� PERFORMANCE INDUSTRIES is the pioneer and leader in the design and manufacture of stainless steel performance exhaust. We began two decades ago as a manufacturer of exhaust systems for such concours classics as Rolls-Royce and Ferrari cars and have evolved into the premier manufacturer of today's performance vehicles for the street, off-road, and racing.

Shipping Information

  • Item Requires Shipping
  • 12.0 lbs.
  • W5.0000” x H11.0000” x L27.0000”
  • Free Shipping!