Borla® - Exhaust System

106 reviews|Item # sp17451
$319.99 - $3,499.99
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Exhaust System by Borla®. This unique system allows you to adjust your level of sound and power, from quiet and restrictive to louder and free flowing. It features a patented Borla straight-through muffler and mandrel bent pipes constructed from aircraft grade austenitic stainless steel, and it’s backed by Borla’s unequalled one million mile warranty.


  • A selection of block-off plates allows you to adjust exhaust flow
  • Plate with larger hole for increased power and a more aggressive exhaust note
  • Plate with smaller hole for quieter operation
  • Custom designed for each application
  • Patented straight-through muffler design reduces backpressure while absorbing sound waves
  • Mandrel-bent stainless steel tubes with diameters optimized for reduced restriction while maintaining exhaust gas speed
  • Made from the finest austenitic stainless steel for long-lasting durability
  • All welded construction
  • Includes polished exhaust tips
  • Includes everything required for installation, including detailed instructions
  • Backed by the exclusive Borla Million-Mile warranty
  • Proudly made in the USA

Imagine being able to change the sound of your car and its power level with just 3 bolts! That’s how many bolts retain the block-off plate on the Borla 3” Adjustable Series Stainless Steel Cat-Back Exhaust System. Borla starts by giving you the best raw materials:

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 design absorbs the sound waves without disturbing the power waves, in contrast to the 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 shape and diameter of the exhaust tubing is optimized for volume and exhaust gas velocity. Borla mandrel bends the stainless steel tubing for smooth bends and to make sure the pipe maintains its size and shape throughout the entire length. Tubes that aren’t mandrel bent can lose a percentage of their diameter in sharp bends.

Then you get to be the tuner. A block-off plate is positioned at the junction of the passenger side exhaust pipe and the entrance to the muffler. You can change the block-off plate to determine how much exhaust flow goes through the muffler and how much bypasses the muffler and goes straight out the passenger side pipe. With the solid plate all exhaust is directed through the muffler and out the driver exhaust pipe, for the quietest operation. Or use the plate with the largest hole so most of the exhaust exits from the passenger exhaust pipe, for the most exhaust flow and a more raucous exhaust note.

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 This product can expose you to chemicals including nickel (metallic) and chromium (hexavalent compounds), which are known to the State of California to cause cancer or birth defects or other reproductive harm.


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



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Borla® - Cat-Back Exhaust System (Center Rear Exit)
Borla® - Exhaust System
Average Rating: 4.6 of 5
2.8 of 5
Didn't Fit
Make sure you look under your car and see if you have a dual inlet to the big muffler in the back, these cars have 2 different exhaust setups.
Posted by (Matthews, NC) / 2014 Cadillac ATS
Was this review helpful for you? Yes
4.8 of 5
Awesome Exhaust
Just got this exhaust installed a few weeks ago and I’m loving it. The exhaust fit perfect no modifications where required to install it. The exhaust sounds great when you start your vehicle up and you can tell a change in horse power too. This Borla exhaust looks great l, works great and looks amazing!
Posted by (Elgin, IL) / 2016 Chevy Colorado
Was this review helpful for you? Yes
5 of 5
Borla S-Type Exhaust for Hellcat
This exhaust is perfect for my 2018 Challenger Hellcat! This is what the Hellcats should come from the factory with!
Posted by (La Porte, IN) / 2018 Dodge Challenger
Was this review helpful for you? Yes
4.8 of 5
Really came out great on my car, only thing was that I had to get a new head gasket, not really a big deal but overall the exhaust is amazing and sounds great.
Posted by (Worcester, MA) / 2008 Subaru Impreza
Was this review helpful for you? Yes
4.3 of 5
Sounds Great, Usable on the 3.6 Charger
I personally love the sound. Install took about an hour and only issue was a bit of a tight fitment. The support brackets under will rattle but if you get a thin piece of heat resistant rubber it should be fine. It doesn't sound muscly on the 3.6 because, well, v6. Sounds like more of a good tuner. But I love the sounds it gives me. Dropped my best 0-60 by 2 seconds.
Posted by (Hobart, IN) / 2018 Dodge Charger
Was this review helpful for you? Yes
4.5 of 5
It’s great had to do a couple extra things but my car sounds really nice.
Posted by (Central Islip, NY) / 2014 Chevy Cruze
Was this review helpful for you? Yes
5 of 5
Durango R/T
Look amazing on my Durango, sounds even better.
Posted by (Arlington Heights, IL) / 2017 Dodge Durango
Was this review helpful for you? Yes
3.5 of 5
Not Loud
Not nearly as loud as you think it would be.
Posted by (Las Vegas, NV) / 2011 Dodge Ram
Was this review helpful for you? Yes
4.5 of 5
Borla Touring Exchaust
This touring system is just what I was l looking for. A very mild throaty sound that only sounds good for me and not the whole neighborhood. the installation was a breeze, very well engineered. Awesome system.
Posted by (Oswego, NY) / 2015 Toyota Tundra
Was this review helpful for you? Yes
5 of 5
2017 Wrangler Cat Back System
Love the way the boiler sounds not too loud and cruising but it gets a little bit deeper sound as you step on the throttle. Easy step-by-step instructions and fairly easy to install.
Posted by (Falls Church, VA) / 2016 Jeep Wrangler
Was this review helpful for you? Yes
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In-House Experts We know our products
Easy Returns Quick & Hassle Free

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