Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

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

SKU: BOR140075

Exhaust Systems

BOR Cat Back S-Type...

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

SKU: BOR140075

Exhaust Systems

BOR Cat Back S-Type...

A$2,272.15
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

The BORLA® sound of power. Its been described as asonic shot of adrenaline. An intoxicating concert ofsteel, gears and combustion that echoes from thespeedways, deserts and highways of the world.The sound of more victory laps than any otherbrand, the BORLA® exhaust note has become the quintessentioal soundtrack of high-performance motoring. And like all good automotive designs there is function behing the form. As any driving enthusiast knows, the sound of an exhaust provides more than just ear candy. Its a communications conduit between car and driver. A link between human and machine. The exhaust sound provides accoustic feedback of engine rpm to aid the driver in critical decisions such as gear selection or throttle input in rev-match shifting. At BORLA®, we understand this concept better than any exhaust manufacturer. Combining patented technology with computer modeling, extensive prototyping and advanced sound analysis tools. BORLA® engineers spend countless hours tuning exhaust systems to best reflect the personality and performance of vehicle applications. The result is an enhanced driving experience. With unrivaled clarity, the BORLA® exhaust note can help a driver stay within the powerband through a difficult section, using the exciting sensory feedback of sound. With unrivaled clarity the Borla exhaust note can help a driver stay within the powerband through a difficult section, using the exciting sensry feedback of sound.

Product Overview

Part# 140075 is the more Aggressive "S-Type" Cat-Back(tm). The mellow "Touring" Cat-Back(tm) exhaust is part# 140053 BORLA(r) Performance once again leads the industry with a high flow performance exhaust for the hot Subaru WRX and WRX STI. This Cat-Back(tm) system, BORLA(r) #140075, is custom designed by BORLA(r) engineers for the 2.5L turbocharged 4-cylinder engine with automatic and manual transmissions. Winning on racetracks around the world has given BORLA(r) 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(r) XR-1(r) patented technology utilizing 3" tubing that exits with a super looking BORLA(r) logo embossed 4"angle cut, rolled edge, single round polished T-304 stainless steel 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(r) XR-1(r) 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(r). Add a BORLA(r) header (#17217) for even more performance. BORLA(r) Performance Industries, the original pioneers of high quality T-304 austenitic 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(r) street products carry the famous BORLA(r) written million-mile warranty.

Product Details

Construction:All Welded
Description:S-Type; Cat-Backâ„¢ System
Exhaust Type:Cat-Back(tm) System
Exit Position:Rear
Exit Style:Single Left Rear Exit
Grade Type:Performance
Inlet Size (in.):N/A
Material:T-304 Stainless Steel
Muffler Type:Straight-Through
Off Road Use Only:No
Outlet Size (in.):N/A
Part Number:bor140075
Prop 65 (C, R or CR):CR
Prop 65 - Long Label:WARNING: This product in the physical form it is sold does not present a hazard. However, operations including, but not limited to welding, brazing, or thermal cutting can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead which are known to the State Of California to cause cancer, birth defects and other reproductive harm. For more information go towww.P65Warnings.ca.gov
Prop 65 - Short Label:Proposition 65 Warning.JPG
Prop 65 Yes/No:Yes
System Type:Cat Back
Tail Pipe Diameter:3.000 in.
Tail Pipe Material:Stainless Steel
Tip / Outlet Finish:Polished T-304 Stainless Steel
Tip Diameter:4.500 in.
Tip Size:4.5in
Title Extended:WRX/ WRX STI 2002-2007 Cat-Back(tm) Exhaust System S-Type Part # 140075
Title:WRX/ WRX STI 2002-2007 Cat-Back(tm) Exhaust System S-Type
Tubing Diameter:3.000 in.

Application Summary

Automatic/ Manual Transmission All Wheel Drive 4 Door Sedan/ Hatchback.

Part Type

Exhaust System Kit

Data: v4.2 - Upd: 2026-10-15 02:13:39

Specifications

Product Attributes - UPC
808422400756
Product Attributes - Brand
Borla
Product Attributes - Tip Cut
Slant
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Part Type
Exhaust Systems
Product Attributes - Tip Shape
Round
Product Attributes - Tip Finish
Polished
Product Attributes - Exhaust Type
Single
Product Attributes - Product Line
Borla S-Type Cat-Back Exhaust Systems
Product Attributes - System Style
Cat-back
Product Attributes - Tip Included
Yes
Product Attributes - Tip Material
304 stainless steel
Product Attributes - Tip Quantity
1
Product Attributes - Exit Location
Rear
Product Attributes - Muffler Style
Turbo
Product Attributes - System Finish
Natural
Product Attributes - Inlet Quantity
1
Product Attributes - Muffler Finish
Natural
Product Attributes - Tip Edge Style
Rolled edge
Product Attributes - System Material
304 stainless steel
Product Attributes - Muffler Included
Yes
Product Attributes - Muffler Material
304 stainless steel
Product Attributes - Muffler Quantity
One
Product Attributes - Hardware Included
Yes
Product Attributes - Special Attention
It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.
Product Attributes - Muffler Configuration
Single inlet/Single outlet
Product Attributes - Tip Outlet Size (in.)
4.50
Product Attributes - Manufacturer's Part Number
140075
Product Attributes - Catalytic Converter(s) Included
No
Product Attributes - Intermediate Pipe Diameter (in.)
3.00 in.

Reference Information

Brand Name/s Borla
StreetFX SKU bor140075
SFX Item ID 4224654
Supplier Item Code 4224654
Manufacturer SKU 140075
Manufacturer UPC 808422400756
Alternative References XR-1

Compatibility

Automatic/ Manual Transmission All Wheel Drive 4 Door Sedan/ Hatchback.

Loading compatibility information...

Keep shopping

More from Borla