SKU: 25324362172

Borla 140312 - Cat-Back Exhaust System S-Type

Sale price$751.50 Regular price$835.00
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Description

Borla 140312 - Cat-Back Exhaust System S-TypeBorla Performance offers a quad exit Cat Back exhaust for the venerable 2008 2014 Subaru WRX STI. This race inspired system (PN140312) checks all the boxes on every Subaru enthusiasts? hit list, taking this flagship to an even higher realm, of performance. For starters, Borla engineers upgraded the Stir's exhaust plumbing from 2. 5" to 3? in diameter. The resulting increased airflow through the turbocharged powerplant provides horsepower gains of 7%

Borla Performance offers a quad-exit Cat-Back exhaust for the venerable 2008-2014 Subaru WRX STI. This race-inspired system (PN140312) checks all the boxes on every Subaru enthusiasts? hit list, taking this flagship to an even higher realm, of performance. For starters, Borla engineers upgraded the Stir's exhaust plumbing from 2.5" to 3? in diameter. The resulting increased airflow through the turbocharged powerplant provides horsepower gains of 7% - 10%. Hardcore enthusiasts who add Stage 1 or 2 chip upgrades will find this boost to the Stir's lung capacity vital to unlocking the ECU?s full potential. Drivers negotiating terrain from rally course jumps to shopping mall speedbumps will appreciate how Borla?s R & D fabricators found room to tuck the system muffler higher than the OE exhaust, providing a 1.75? clearance gain. This additional room also enhances rear-section aerodynamics and improves appearance by reducing clutter. Besides being higher, it?s lighter. Thanks to Borla?s patented straight-through design that eliminates power-robbing baffles and chambers, the STI sheds approximately 8 lbs., making it a bit leaner meaner in a class where every bit counts. True to form, the exhaust amplifies and enhances the Stir's distinctive rumbling gurgle with the rich bass of Borla?s trademark sound of power. Combined with high-quality T-304 stainless steel construction and double-walled rolled-edge polished T-304 stainless steel tips, drivers get the sound and looks they expect from the world?s most winning exhaust. Borla, the original pioneers of high-quality stainless steel free-flow exhaust, utilizes patented award and race winning technology to deliver quality, sound, and performance gains. All with an easy bolt-on installation, and backed by a solid Million-Mile Warranty on all street systems.


Specifications:

Description_ASM 2008-2014 Subaru Impreza WRX STI/ 2011-2014 Subaru Impreza WRX Hatchback 2.5L 4 Cyl. Turbo Manual Transmission All Wheel Drive.
Description_DEF Exhaust System Kit
Description_DES Cat-Back Exhaust System - S-Type
Description_EXT S-Type Cat-Back Exhaust System For 2008-2014 Subaru Impreza WRX STI/ 2011-2014 Subaru Impreza WRX Hatchback 2.5L 4 Cyl. Turbo Manual Transmission All Wheel Drive.
Description_INV BorlaCat-Back System
Description_MKT Borla Performance offers a quad-exit Cat-Back exhaust for the venerable 2008-2014 Subaru WRX STI. This race-inspired system (PN140312) checks all the boxes on every Subaru enthusiasts? hit list, taking this flagship to an even higher realm, of performance. For starters, Borla engineers upgraded the Stir's exhaust plumbing from 2.5" to 3? in diameter. The resulting increased airflow through the turbocharged powerplant provides horsepower gains of 7% - 10%. Hardcore enthusiasts who add Stage 1 or 2 chip upgrades will find this boost to the Stir's lung capacity vital to unlocking the ECU?s full potential. Drivers negotiating terrain from rally course jumps to shopping mall speedbumps will appreciate how Borla?s R & D fabricators found room to tuck the system muffler higher than the OE exhaust, providing a 1.75? clearance gain. This additional room also enhances rear-section aerodynamics and improves appearance by reducing clutter. Besides being higher, it?s lighter. Thanks to Borla?s patented straight-through design that eliminates power-robbing baffles and chambers, the STI sheds approximately 8 lbs., making it a bit leaner meaner in a class where every bit counts. True to form, the exhaust amplifies and enhances the Stir's distinctive rumbling gurgle with the rich bass of Borla?s trademark sound of power. Combined with high-quality T-304 stainless steel construction and double-walled rolled-edge polished T-304 stainless steel tips, drivers get the sound and looks they expect from the world?s most winning exhaust. Borla, the original pioneers of high-quality stainless steel free-flow exhaust, utilizes patented award and race winning technology to deliver quality, sound, and performance gains. All with an easy bolt-on installation, and backed by a solid Million-Mile Warranty on all street systems.
Description_SHO Cat-Back System


Shipping Notes
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Exchange/Return Notes
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SKU: 25324362172

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4.2 ★★★★★
Based on 19 reviews
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L
Verified Purchase
Lauren
Pawtucket, US
★★★★★ 4
Durable for light to medium chewers - not heavy
Color: Green Cactus
obviously cute. not super durable - lasted a good minute but disintegrates fairly quickly and eventually nothing was left - having to high monitor with a big chewer. (10 mo Great Dane)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
A
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Amazon Customer
Alexandria, US
★★★★★ 5
Unbelievable toy for aggressive chewers
Color: Green Cactus
Great toy for aggressive chewers! I'm not one to hand out 5 star reviews but this one I 100% believe in. I bought the first one in 2023 and just replaced it because it broke. Now this is not a played with every once in a while, this was played with daily as it is his favorite toy. Very few toys last long but this one has went beyond my expectations. Could not be happier.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
K
Verified Purchase
Kayla
San Leandro, US
★★★★★ 3
Not Recommended!
Color: Green Cactus
Be aware that with major chewers it is not durable. My dog tour right through it and was eating pieces off of it. Thankfully we got the pieces back out of his mouth but definitely not for tough chewers. Also only lasted 2 days in decent condition and was only used on the occasion throughout the day.
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Reviewed in the United States on April 22, 2026
L
Verified Purchase
Lindsey Walker
Alexandria, US
★★★★★ 1
Not strong lasting
Color: Green Cactus
Didn’t even last 3 hours in my house. Too rubbery and our frenchie mix was able to bite pieces off and was trying to eat them. Don’t recommend as a super chewer or consider it durable
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Reviewed in the United States on May 31, 2026
B
Verified Purchase
Breanna K.
West Palm Beach, US
★★★★★ 5
Very durable!
Color: Pink Cactus
One of the few actually tough chew toys for dogs who tear apart toys in seconds! My dog loves this thing and has yet to break into the rubber!
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Reviewed in the United States on May 6, 2026

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