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Borla Exhaust Muffler Boomers Thumper - 40057

Authorized Dealer
Brand: Borla Borla
0 reviews
  • Have a product question? Ask us
  • Part Number: 40057
  • Part Location: U.S.
  • Availability: *Special Order
  • Delivery: Up to 2 Weeks
  • If purchased before 12:00 EDT - estimated delivery by July 17
Retail: $313.94
Price: $298.99
You Save: $14.95
Case Diameter (IN)
7.88 Inch X 4-1/2 Inch
Case Length (IN)
14 Inch
Color/ Finish
Polished
Estimated Install Time (Hours)
1
Includes Tip
Yes
Inlet Diameter (IN)
2-1/4 Inch
Inlet Position
Center Single
Internal Construction
Straight Through Single Core
Material
T-304 Stainless Steel
Outlet Diameter (IN)
4 Inch
Outlet Position
Center Single
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Borla Exhaust Muffler

Exhaust Muffler; Boomers Thumper; T-304 Stainless Steel; 7.88 Inch Width X 4-1/2 Inch Height Case; Single 2-1/4 Inch Center Inlet; Single 4 Inch Center Outlet; 14 Inch Body/23 Inch Overall Length

MPN: 40057

BORLA(R) BOOMERS™ are full-blown, high-tech, dyno and race-proven mufflers for the street or track. These eye-popping, fully polished mufflers utilize BORLA(R)'s patented race-winning technology. They boost horsepower 7 Percent to 10 Percent while adding head-turning sound. Available in a variety of universal-fit styles, BORLA(R) BOOMERS™ are made of aircraft-quality high quality T-304 stainless steel and include a Million Mile Warranty.
Shape: Oval
Inlet Position: Center Single
Inlet Diameter (IN): 2-1/4 Inch
Outlet Position: Center Single
Outlet Diameter (IN): 4 Inch
Case Diameter (IN): 7.88 Inch X 4-1/2 Inch
Case Length (IN): 14 Inch
Overall Length (IN): 23 Inch
Color/ Finish: Polished
Material: T-304 Stainless Steel
Wall Type: Single Wall
Internal Construction: Straight Through Single Core
Includes Tip: Yes
Tip Length (IN): 6 Inch
Tip Diameter (IN): 4 Inch
Tip Finish: Polished
Tip Material: Stainless Steel
Estimated Install Time (Hours): 1

Features

  • BORLA(R) BOOMERS™ Are Full Blown, High Tech, Dyno And Race Proven Mufflers For The Street Or Track
  • They Boost Horsepower 7 Percent To 10 Percent While Adding Head Turning Sound
  • Built From Aircraft Grade High Quality T-304 Stainless Steel
  • All BORLA® Mufflers Are Manufactured Using Ultra Durable, Continuous Strand Sound Absorbing Composite Filament
  • Unique, Proprietary Frequency Cancelling Technology Makes Sound Waves Travel Between Multiple Core Walls While Also Increasing Exhaust Gas Velocity
  • Flared Collectors On Both Ends Increase The Internal Diameter Of The Muffler Allowing For Optimal Flow
  • Limited Million Mile Warranty
Specifications of Borla Exhaust Muffler Boomers Thumper - 40057
Case Diameter (IN) 7.88 Inch X 4-1/2 Inch
Case Length (IN) 14 Inch
Color/ Finish Polished
Estimated Install Time (Hours) 1
Includes Tip Yes
Inlet Diameter (IN) 2-1/4 Inch
Inlet Position Center Single
Internal Construction Straight Through Single Core
Material T-304 Stainless Steel
Outlet Diameter (IN) 4 Inch
Outlet Position Center Single
Overall Length (IN) 23 Inch
Shape Oval
Tip Diameter (IN) 4 Inch
Tip Finish Polished
Tip Length (IN) 6 Inch
Tip Material Stainless Steel
Wall Type Single Wall

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