Skip to product information
Borla 04-07 STi XR-1 Cat-Back Exhaust 140075
FR SPORT

Borla 04-07 STi XR-1 Cat-Back Exhaust 140075

$1,112.49
Frequently bought together
Free shipping on orders over $150
Hassle-free returns & exchanges
Secure checkout — Shop Pay, Apple Pay & all major cards

Product details

BOR Cat Back S-Type

Exhaust System Kit

2002-2007 Subaru Impreza WRX 2.0L/ 2.5L 4 Cyl. Turbo All Wheel Drive (AWD) Automatic/ Manual Transmission 4-Door/Wagon/ 2004-2007 Subaru Impreza WRX STI 2.5L Turbo 4 Cyl. All Wheel Drive (AWD) Automatic/Manual Transmission 4-Door Sedan/Hatchback.

Million Mile Warranty

More Aggressive "S-Type" Cat-Back. The mellow "Touring" Cat-Back exhaust is part# 140053, Borla Performance once again leads the industry with a high flow performance exhaust for the hot Subaru WRX and WRX STI. This Cat-Back system, Borla #140075, is custom designed by Borla engineers for the 2.5L turbocharged 4-cylinder engine with automatic and manual transmissions. Winning on racetracks around the world has given Borla a leg up on the competition with trickle down technology from the world ?s fastest cars. The unique design is a direct bolt-on fit that meets all emission requirements. The system has shown significant flow and performance improvements by virtue of Borla XR-1? patented technology utilizing 3" tubing that exits with a super looking Borla logo embossed 4"angle cut, rolled edge, single round polished tip. More flow means more power, and if you tune this turbocharged super import, that flow will simply allow even more power. When you get a close look inside this muffler, you can see the patented Borla XR-1? multi cores -- that look says total performance. Increased fuel mileage is an added benefit. And, one more thing, it has a great sound, too, but then you?ve come to expect that from Borla. Add a Borla header (#17217) for even more performance. Borla Performance Industries, the original pioneers of high quality T-304 stainless steel (superior to T-409 or aluminized steel) free flow exhaust utilizes its patented award and race winning technology to deliver quality, sound, performance gains and enhanced fuel economy ? all with an easy bolt-on installation. All Borla street products carry the famous Borla written million-mile warranty.

S-Type Cat-Back Exhaust System.



Vehicle Fitments:

Year Make Model Submodel
2005 - 2007 Subaru Impreza Outback Sport
2004 Subaru Impreza Outback, TS
2004 - 2005 Subaru Impreza RS
2006 - 2007 Subaru Impreza WRX Limited, WRX TR, 2.5i
2007 Subaru Impreza WRX STI Limited
2004 - 2007 Subaru Impreza WRX STI, WRX

SKU: 0K8HE

Why customers choose Ride Rite

Tesla & EV specialists

Every part is matched to your exact car — verified fitment, not a generic catalog.

Mobile install across the Bay Area

Skip the shop — our team comes to you for professional installation throughout California.

Free, fast shipping

Orders over $150 ship free and fully tracked, with most parts leaving the warehouse quickly.

Real human support

Talk to actual suspension specialists before and after your purchase — never a call center.