SKU: 93600655898

Borla 40477 - Specialty Muffler Un-Notched Neck

Sale price$184.05 Regular price$204.50
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Description

Borla 40477 - Specialty Muffler Un-Notched NeckTransverse Flow design. Transverse flow mufflers were originally designed for GM F Body Camaros and Firebirds. On these vehicles they were mounted behind the rear axle and were parallel to the axle. This muffler can also be used to create custom systems on other vehicles. Single 2. 5" Offset Inlet Dual 2. 5" Offset Outlets. The inlet and one outlet are on one end of the muffler, and the second outlet is on the opposite end. Reversible design for

Transverse Flow design. Transverse flow mufflers were originally designed for GM F-Body Camaros and Firebirds. On these vehicles they were mounted behind the rear axle and were parallel to the axle. This muffler can also be used to create custom systems on other vehicles. Single 2.5" Offset Inlet/ Dual 2.5" Offset Outlets. The inlet and one outlet are on one end of the muffler, and the second outlet is on the opposite end. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation. Best of all, it's made in the USA and backed by BORLA(r)'S Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

Exhaust Muffler; T-304 Stainless steel; 10-1/4 Inch Width x 5-1/2 Inch Height Case; Single 2-1/2 Inch Offset Inlet; Dual 2-1/2 Inch Outlet; 19 Inch Body/24 Overall Length

Features & Benefits

  • BORLA® Specialty Mufflers Are Designed For Supreme Street Performance
  • Offering Aircraft Quality High Quality T-304 Stainless Steel, All Welded Construction And More For Increased Horsepower And Torque
  • Independent Tests Prove Maximum Flow Capability
  • 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

Attributes

  • Shape: Oval
  • Inlet Position: Offset Single
  • Inlet Diameter (IN): 2-1/2 Inch
  • Outlet Position: Offset Dual
  • Outlet Diameter (IN): 2-1/2 Inch
  • Case Diameter (IN): 10-1/4 Inch X 5-1/2 Inch
  • Case Length (IN): 19 Inch
  • Overall Length (IN): 24 Inch
  • Includes Tip: No
  • Universality: Fully Universal
  • Tip Finish: No Tip
  • Estimated Install Time (Hours): 1
  • Color/ Finish: Bare
  • Material: Stainless Steel
  • Wall Type: Single Wall
  • Internal Construction: Straight Through Single Core
  • Tip Length (IN): No Tip
  • Tip Diameter (IN): No Tip
  • Tip Material: No Tip


Specifications:

Description_ASM Specialty Muffler - Transverse Flow - 2.5" Offset Inlet/ Dual 2.5" Offset Outlets 6" x 10.25" Oval x 19" Long Body 24" Overall Length. Universal Part. Reversible Design.
Description_DEF Exhaust Muffler
Description_DES Specialty Muffler - Un-Notched Neck
Description_EXT Specialty Transverse Flow Muffler - 2.5" Offset Inlet/ Dual 2.5" Offset Outlets 6" x 10.25" Oval x 19" Long Body 24" Overall Length. Universal Part. Reversible Design.
Description_FAB Transverse flow design, originally designed for F-Body Camaro and Firebirds
Description_FAB Universal muffler. Reversible design.
Description_FAB Alternate muffler with Notched necks is 400498, use band clamp 18325
Description_FAB Un-Notched necks are designed for weld in installation. If clamping, use band clamps 18004.
Description_INV BORLA(r) Transverse Muffler
Description_MKT Transverse Flow design. Transverse flow mufflers were originally designed for GM F-Body Camaros and Firebirds. On these vehicles they were mounted behind the rear axle and were parallel to the axle. This muffler can also be used to create custom systems on other vehicles. Single 2.5" Offset Inlet/ Dual 2.5" Offset Outlets. The inlet and one outlet are on one end of the muffler, and the second outlet is on the opposite end. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation. Best of all, it's made in the USA and backed by BORLA(r)'S Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
Description_SHO Transverse Muffler


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 93600655898

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Amazon Customer
Carnegie, US
★★★★★ 5
Direct replacement
Great filter for my Volvo V70.
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Reviewed in the United States on April 22, 2025
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Augie
Boise, US
★★★★★ 5
Quality product
High quality German product. Great value.
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Reviewed in the United States on October 13, 2024
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Paul B.
Birmingham, US
★★★★★ 5
A little longer than the filter the mechanic used last time, and that is a good thing.
At first I was concerned that this filter is about 3/16" longer than whatever one was there before, but it went in perfectly, and I realized I was getting extra filtering ability over the old one. Pleased. Volvo S60 2001.
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Reviewed in the United States on October 7, 2024
D
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D. Anderson
Cuba, US
★★★★★ 4
Almost a Five Star
I have used this brand exclusively on my BMW (110K) and Volvo (90K), with synthetic oil changes at 6000 miles religiously, and neither burns a single drop of oil. I have never seen any "failure" of the filter, which remains firm until the end. Unfortunately the price advantage has been eroding over the years- boo. So lost a star for that-
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Reviewed in the United States on March 23, 2015
D
Verified Purchase
Daniel
Alexandria, US
★★★★★ 5
Only oil filter you should buy if you have a Volvo
Only filter you should be buying if you own Volvo
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Reviewed in the United States on July 18, 2025

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