Borla Boomers Exhaust Muffler (MPN: 40057)

High-tech, race-proven muffler for enhanced performance and sound.

The Borla Boomers Exhaust Muffler is engineered for both street and track applications, utilizing advanced technology to deliver superior performance. Constructed from aircraft-quality T-304 stainless steel, this muffler is designed to withstand the rigors of high-performance driving while providing a polished finish. With a unique design that incorporates proprietary frequency cancelling technology, it enhances exhaust gas velocity and produces a distinctive sound that commands attention.

This muffler features a center inlet and outlet configuration, with a 2-1/4 inch inlet diameter and a 4 inch outlet diameter, ensuring optimal flow and efficiency. The oval shape and flared collectors on both ends increase the internal diameter, further improving exhaust flow. The Borla Boomers Muffler is not only built for performance but also comes with a Million Mile Warranty, underscoring its durability and reliability.

With an overall length of 23 inches and a case diameter of 7.88 inches by 4-1/2 inches, this semi-universal muffler is designed for easy installation, typically requiring about one hour. The polished stainless steel finish adds an aesthetic appeal, making it a suitable choice for those looking to enhance both the performance and appearance of their vehicle.

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

Specifications

• Manufacturer: Borla
• Manufacturer Part Number: 40057
• Shape: Oval
• Inlet Position: Center Single
• Inlet Diameter (IN): 2-1/4 Inch
• Outlet Position: Center Single
• Outlet Diameter (IN): 4 Inch
• Universality: Semi-Universal
• Estimated Install Time (Hours): 1
• Case Diameter (IN): 7.88 Inch X 4-1/2 Inch
• Case Length (IN): 14 Inch
• Overall Length (IN): 23 Inch
• Color/ Finish: Silver Polished
• Material: Stainless Steel
• Wall Type: Single Wall
• Includes Tip: With Tip
• Tip Length (IN): 6 Inch
• Tip Diameter (IN): 4 Inch
• Tip Finish: Polished
• Tip Material: Stainless Steel

Technical Documents

• million_mile_warranty.pdf
• Million_Mile_Warranty.pdf