Borla® - S-Type™ Stainless Steel Round Exhaust Muffler

13 reviews|Item # 865879561 View Similar Products
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Universal Fit
Fitment Notes:
  • Not Vehicle Specific
  • To ensure precise fit, please check muffler shape, length and inlet diameter: the latter should match your exhaust pipe diameter
  • Installation may involve welding and cutting.
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Universal S-Type™ Stainless Steel Round Exhaust Muffler by Borla®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 10". Muffler Sound: Mild / Stock. Muffler Configuration: Center - Center. Get increased performance and the aggressive sound of power with this Universal S-Type Muffler. This is the same style austenitic stainless steel straight through muffler that’s used on Borla’s S-Type Cat-Back exhaust system, and it’s backed by Borla’s million-mile warranty. This Borla muffler is proudly made in the USA from the finest austenitic stainless steel for long-lasting durability.


  • To ensure precise fit, please check muffler shape, length and inlet diameter: the latter should match your exhaust pipe diameter
  • Installation may involve welding and cutting.


Muffler Series: S-Type™
Inlet - Outlet Configuration: Center Inlet - Center Outlet
Muffler Body Material: Stainless Steel
Muffler Body Diameter: 5"
Muffler Inlet Diameter: 2.5"
Muffler Outlet Diameter: 2.5"
Muffler Body Shape: Round
Muffler Body Length: 10"
Muffler Sound: Mild / Stock


  • Increased exhaust flow for better performance
  • Definite performance tone at cruise with a throaty, aggressive sound during acceleration
  • Patented straight-through muffler design reduces backpressure while absorbing sound waves
  • Made from the finest austenitic stainless steel for long-lasting durability
  • All welded construction
  • Backed by the exclusive Borla Million-Mile warranty
  • Proudly made in the USA

Borla engineered the S-Type Stainless Steel Round Muffler to make the most horsepower and torque with the best sound quality. The patented straight through muffler design reduces restriction and increases exhaust gas velocity, making sure each cylinder is completely evacuated to make room for the incoming charge. This muffler, also being a part of Borla exhaust, provides an aggressive throaty sound thanks to the design that absorbs the sound waves without disturbing the power waves, unlike chambered mufflers used by most aftermarket companies. Chambered mufflers use partitions or baffles to subdue sound waves, which also creates backpressure and reduces power.

The S-Type series muffler is smaller in diameter than most factory mufflers, with less space between the core and muffler wall, so it contains less sound absorbing composite filament. As a result, it’s definitely louder than a factory muffler, with a throaty, aggressive note during acceleration. It’s for someone that wants their vehicle to have the real sound of performance, but without an annoying drone or resonance through the cabin.

Borla uses austenitic stainless steel in the construction of the S-Type series muffler, which contains high levels of nickel and chromium, to resist corrosion. This material is harder than the lower grade stainless steel used by the OEM manufacturers, yet is very ductile. Nevertheless, the increased hardness requires special equipment to form and bend. The muffler contains a stainless steel perforated tube wrapped with several layers of stainless steel sound absorbing material and a layer of ceramic sound absorbing, high temperature material, all contained in a fully welded stainless steel shell.

Borla is so confident in the quality of this muffler that it’s guaranteed against defects in materials and workmanship for one million miles.

Borla® is the leading manufacturer of stainless steel performance exhaust products. The company began three decades ago making exhaust systems for concours classic Rolls Royce and Ferrari models, and gradually evolved to become the premier manufacturer of performance exhaust products for street, off-road and racing. Borla pioneered many improvements in the design of performance exhaust systems, holds several patents for innovative exhaust system technology, and has won numerous “Best New Product” awards. Today the company operates a state of the art research and development center in Oxnard, California, and makes all of its products at a world-class manufacturing facility in Johnson City, Tennessee.

California Residents

WARNING Cancer and Reproductive Harm

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BORLA® PERFORMANCE INDUSTRIES, INC. warrants its products to the original purchaser of record and for the original vehicle on which the product was installed, against defects in materials and workmanship for one million miles for non-moving parts. BORLA® catalytic converters are warrantied for three years. BORLA® will warranty all moving parts, such as valves and actuators for three years. This does not include blemishes or marring of appearance due to weather, road hazards, lack of maintenance or extremes of heat or cold.

This warranty shall apply only if BORLA's examination of the returned product discloses a manufacturing or material defect, and BORLA's sole obligation under this warranty shall be limited to repair or replacement at BORLA's option. Note all attachment to universal mufflers must be made at the nipples; there should be no welding to the shell or end caps as this will void the warranty. No expressed or implied warranties of merchantability or fitness for a particular purpose are hereby made except as otherwise expressly provided herein. In no event shall BORLA® PERFORMANCE INDUSTRIES, INC. or any BORLA® Dealers or Distributors be liable for any loss, inconvenience or damage, whether direct, incidental, consequential or otherwise.

If you have any problems with a BORLA® product, involving either installation or performance, please call the company you bought it from immediately. BORLA® Distributors will take all necessary steps to ensure you are satisfied.

Because sound is subjective, Borla do not warranty for sound. Please do not return your BORLA® product if you do not like the sound level. There are several ways to adjust the sound level. You can obtain venturies, for example, from your retailer that you can place in your system to quiet your system.

When returning your purchase, include a copy of this warranty with the product, along with your name, address, telephone number with area code, a description of the problem and proof of the date of retail purchase (invoice copy). Pack carefully.

This warranty does not include the cost of removal or reinstallation of the product, and does not apply if the product has been damaged by accident, abuse, misuse, or misapplication. This warranty is valid for BORLA® street-legal products only and does not apply to any racing products or street products used for racing purposes. Any modifications to the product or its intended use voids the warranty. No person or representative is authorized to extend any warranties on behalf of BORLA®, other than the warranty expressed herein. Some states do not allow limitations on how long an implied warranty lasts, so the above limitations may not apply to you. Some states do not allow the exclusion of limitations of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and may have other rights which vary from state to state. This warranty replaces all previous warranties.

This warranty excludes XR-1® Raceline products and Marine products.

Products sold outside the USA carry a 3-year limited warranty.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More



Every Customer can leave a review about our service and the product that was purchased. In order to leave your review for your new product, please follow the link in the email you receive after completing your purchase. You can rate appearance, ease of installation, price/value and product quality.

Borla® - S-Type™ Stainless Steel Round Notched Exhaust Muffler
Borla® - S-Type™ Stainless Steel Round Exhaust Muffler
Average Rating: 4.9 of 5
4.8 of 5
2011 Subaru Impreza
I paired this with the black rolled Borla tip and went from the cats back and no resonator. Like many of the other reviews say, it is pretty quiet at idle but once you push on the gas it screams with a nice bass-y tone. It is pretty damn loud so I wouldn't recommend for your daily driver but for a garage toy I would totally.
Posted by (Spokane, WA) /
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4.5 of 5
Borla S-Type
Muffler sounds amazing, real performance sound unlike any cheap ebay stuff. 100% happy with this product and certainly would recommend it to anyone thinking of purchasing it.
Posted by (Mississauga, ON) /
Was this review helpful for you? Yes
4.8 of 5
Love It!
This thing sounds really loud! It's a beautiful sound though. You will get everyone attention when you pass by.
Posted by (Pomona, CA) / 2002 Honda Civic
Was this review helpful for you? Yes
5 of 5
Looks great, sounds awesome and the price it's very affordable. Is amazing how it sounds in my 2004 BMW 530i with quad exhaust.
Posted by (North Miami Beach, FL) /
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4.8 of 5
Drum & Bass
Oh my exhaust with this mufflers sounds so bassy and sexy. Love it.
Posted by (Moscow, AA) / 2011 Dodge Challenger
Was this review helpful for you? Yes
4.5 of 5
Borla Muffler
Great muffler. Great addition to my 2014 Silverado. Removed old muffler and resonator, the new Borla sounds great!
Posted by (Mckinney, TX) /
Was this review helpful for you? Yes
5 of 5
Borla S-Type On 2007 Mitsubishi Galant
Had this muffler professionally installed. First words, wow! Sounds amazing. Not a cheap sounding muffler, gives a rich deep low growl. It's everything I expected it to be. Would recommend this product to anyone looking to upgrade/enhance your car's exhaust and performance.
Posted by (Winston Salem, NC) /
Was this review helpful for you? Yes
5 of 5
Great Product
Came in looking great, with style. Sounds Amazing, Borla has always been a good brand.
Posted by (El Paso, TX) / 2006 Honda Civic
Was this review helpful for you? Yes
5 of 5
Nothing Short Of Amazing
This product just simply looks and sounds amazing. I bought this product simply for the sound. The muffler gives ur car that amazing deep street car sound. It sounded better than on the website. Little did I know to that it would actually improve my gas mileage as well! I couldnt be happier I paid $51 for professional installation and its perfect. I would highly recommend this product to anyone who wants to improve their fuel mileage and have that great sound. Also make sure ur silencer is off ur car as well cuz I replaced my muffler tip with this one but it wont be loud unless u get the silencer removed as well so u will get all the exhaust and power and sound out of this muffler. Definitely going to buy another one of these for my 2nd muffler I have under my car to make it more powerful!
Posted by (Lone Tree, CO) /
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5 of 5
Borla S-Type Stainless Steel Round Muffler
My 01 BMW 530i sounds great!!! Only $60 for professional install.
Posted by (Carlsbad, CA) /
Was this review helpful for you? Yes
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