2015 Subaru WRX STI Exhaust System Kit Parts

Choose your Engine for your 2015 Subaru WRX STI


Showing 1 - 10 of 18 products
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Borla
  • 3 in. Split Into Dual 2.25 in. Muffler; Includes Connecting Pipes/Mufflers/Hdw./3.5 in. Dual Round Rolled Angle Cut Long Tip; Dual Split Rear Exit;50 State Legal / California Emissions Compliant
  • S-Type Cat-Back™ Exhaust System; 3 in. Split Into Dual 2.25 in. Muffler; Includes Connecting Pipes/Mufflers/Hdw./3.5 in. Dual Round Rolled Angle Cut Long Tip; Dual Split Rear Exit;
  • S-Type Cat-Back™ Exhaust System
  • Product Attributes:
    • Tail Pipe Diameter: 2.250 In.
    • Tail Pipe Material: Stainless Steel
    • Exhaust Type:
      • Axle-back
      • Dual
    • Muffler Type: Turbo
    • Exit Position: Dual Split Rear
    • System Type: Cat Back
    • WARNING CA Proposition 65: Yes
    • Exit Style: Straight
  • Features:
    • Patented Straight-Through Technology
    • Patented Multi-Core Technology
    • Unleash Hidden Horsepower
    • Distinctive Borla Sound Of Power
    • Absolute Best In Performance And Durability
    • Ensure Maximum Flow And Power
    • CNC Manufacturing Ensures An Accurate Fit
    • Million Mile Warranty
  • This BORLA(R) Cat-Back(TM) system is tuned for performance and sound for both the 2.0L engine in the WRX and the 2.5L engine in the STI. Our S-Type sound level is designed to bring out the Subaru Boxer engine rumble and provides an aggressive sound without the drone. This system features 3.5 in. quad polished T-304 stainless steel tips, but is also available with high temperature black coated T-304 stainless steel tips. For ease of installation, this Cat-Back(TM) is a direct bolt on part and does not require cutting. Like all BORLA(R) exhaust products, each system is handmade in the USA by master craftspeople and features premium, high-quality T-304 austenitic stainless steel construction, ultra-smooth mandrel bent piping, and a Million-Mile Warranty.

Additional Fitment Information:
Vehicle Block CC Engine CID
2015 - Subaru WRX STI H 2458 4 Cyl 2.5L -

Borla
  • 3 in. Split Into Dual 2.25 in. Muffler; Includes Connecting Pipes/Mufflers/Hdw./3.5 in. Dual Round Rolled Angle Cut Long Tip; Dual Split Rear Exit;50 State Legal / California Emissions Compliant T-304 Stainless Steel
  • S-Type Cat-Back™ Exhaust System; 3 in. Split Into Dual 2.25 in. Muffler; Includes Connecting Pipes/Mufflers/Hdw./3.5 in. Dual Round Rolled Angle Cut Long Tip; Dual Split Rear Exit;
  • S-Type Cat-Back™ Exhaust System
  • Product Attributes:
    • Tail Pipe Diameter: 2.250 In.
    • Tail Pipe Material: Stainless Steel
    • Exhaust Type:
      • Axle-back
      • Dual
    • Muffler Type: Turbo
    • Exit Position: Dual Split Rear
    • System Type: Cat Back
    • WARNING CA Proposition 65: Yes
    • Exit Style: Straight
  • Features:
    • Patented Straight-Through Technology
    • Patented Multi-Core Technology
    • Unleash Hidden Horsepower
    • Distinctive Borla Sound Of Power
    • Absolute Best In Performance And Durability
    • Ensure Maximum Flow And Power
    • CNC Manufacturing Ensures An Accurate Fit
    • Million Mile Warranty
  • This BORLA(R) Cat-Back(TM) system is tuned for performance and sound for both the 2.0L engine in the WRX and the 2.5L engine in the STI. Our S-Type sound level is designed to bring out the Subaru Boxer engine rumble and provides an aggressive sound without the drone. This system features 3.5 in. quad polished T-304 stainless steel tips, but is also available with high temperature black coated T-304 stainless steel tips. For ease of installation, this Cat-Back(TM) is a direct bolt on part and does not require cutting. Like all BORLA(R) exhaust products, each system is handmade in the USA by master craftspeople and features premium, high-quality T-304 austenitic stainless steel construction, ultra-smooth mandrel bent piping, and a Million-Mile Warranty.

Additional Fitment Information:
Vehicle Block CC Engine CID
2015 - Subaru WRX STI H 2458 4 Cyl 2.5L -

MBRP Exhaust
  • 2.5 in.; Dual Split Rear Exit; T304 Stainless Steel; Includes 3.5 in. OD Dual Out Tips;Meets EPA Standards
  • Armor Pro Axle Back Exhaust System; 2.5 in.; Dual Split Rear Exit; T304 Stainless Steel; Includes 3.5 in. OD Dual Out Tips;
  • Armor Pro Axle Back Exhaust System
  • Product Attributes:
    • Tail Pipe Diameter: 2.500 In.
    • Tubing Diameter: 2.500 In.
    • Exhaust Type: Axle-back
    • Exit Position: Dual Split Rear
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: 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 And Birth Defects; Or Other Reproductive Harm
    • Inlet Inside Diameter: 2.500 In.
  • Features:
    • Improved Torque And Horsepower
    • Lower Exhaust Gas Temperatures
    • Increased Throttle Response
    • Mellow Exhaust Note
    • Bolt On Design
    • Utilizes OEM Hangers
    • Stainless Steel Tips Are Included
    • Lifetime Warranty
  • THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.

Additional Fitment Information:
Vehicle
2015 - Subaru WRX STI

MBRP Exhaust
  • 3 in.; Dual Split Rear Exit; T304 Stainless Steel; Race Version; Includes 3.5 in. OD Dual Out Carbon Fiber Tips;Meets EPA Standards
  • Armor Pro Cat Back Exhaust System; 3 in.; Dual Split Rear Exit; T304 Stainless Steel; Race Version; Includes 3.5 in. OD Dual Out Carbon Fiber Tips;
  • Armor Pro Cat Back Exhaust System
  • Product Attributes:
    • Exhaust Type: Cat-back
    • Exit Position: Dual Split Rear
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: 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 And Birth Defects; Or Other Reproductive Harm
  • Features:
    • Improved Torque And Horsepower
    • Lower Exhaust Gas Temperatures
    • Increased Throttle Response
    • Mellow Exhaust Note
    • Bolt On Design
    • Utilizes OEM Hangers
    • Stainless Steel Tips Are Included
    • Lifetime Warranty
  • THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.

Additional Fitment Information:
Vehicle
2015 - Subaru WRX STI

MBRP Exhaust
  • 3 in.; Dual Split Rear Exit; T304 Stainless Steel; Race Version; Includes 3.5 in. OD Dual Out Tips;Meets EPA Standards
  • Armor Pro Cat Back Exhaust System; 3 in.; Dual Split Rear Exit; T304 Stainless Steel; Race Version; Includes 3.5 in. OD Dual Out Tips;
  • Armor Pro Cat Back Exhaust System
  • Product Attributes:
    • Exhaust Type: Cat-back
    • Exit Position: Dual Split Rear
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: 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 And Birth Defects; Or Other Reproductive Harm
  • Features:
    • Improved Torque And Horsepower
    • Lower Exhaust Gas Temperatures
    • Increased Throttle Response
    • Mellow Exhaust Note
    • Bolt On Design
    • Utilizes OEM Hangers
    • Stainless Steel Tips Are Included
    • Lifetime Warranty
  • THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.

Additional Fitment Information:
Vehicle
2015 - Subaru WRX STI

MBRP Exhaust
  • Armor Pro Cat Back Exhaust System
  • 3 in.; Dual Split Rear Exit; T304 Stainless Steel; Race Version; Includes 3.5 in. OD Dual Out Carbon Fiber Tips; [Available While Supplies Last]
  • Armor Pro Cat Back Exhaust System; 3 in.; Dual Split Rear Exit; T304 Stainless Steel; Race Version; Includes 3.5 in. OD Dual Out Carbon Fiber Tips;
  • Pro Series Cat Back Exhaust System
  • Product Attributes:
    • Exhaust Type: Cat-back
    • Exit Position: Dual Split Rear
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message:
      • 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 And Birth Defects; Or Other Reproductive Harm
      • 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 And Birth Defects; Or Other Reproductive Harm - Www.p65warnings.ca.gov
  • Features:
    • Improved Torque And Horsepower
    • Lower Exhaust Gas Temperatures
    • Increased Throttle Response
    • Mellow Exhaust Note
    • Bolt On Design
    • Utilizes OEM Hangers
    • Stainless Steel Tips Are Included
    • Lifetime Warranty
  • THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.

Additional Fitment Information:
Vehicle
2015 - Subaru WRX STI

MBRP Exhaust
  • Armor Pro Cat Back Exhaust System
  • 3 in.; Dual Split Rear Exit; T304 Stainless Steel; Race Version; Includes 3.5 in. OD Dual Out Tips; [Available While Supplies Last]
  • Armor Pro Cat Back Exhaust System; 3 in.; Dual Split Rear Exit; T304 Stainless Steel; Race Version; Includes 3.5 in. OD Dual Out Tips;
  • Pro Series Cat Back Exhaust System
  • Product Attributes:
    • Exhaust Type: Cat-back
    • Exit Position: Dual Split Rear
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message:
      • 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 And Birth Defects; Or Other Reproductive Harm
      • 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 And Birth Defects; Or Other Reproductive Harm - Www.p65warnings.ca.gov
  • Features:
    • Improved Torque And Horsepower
    • Lower Exhaust Gas Temperatures
    • Increased Throttle Response
    • Mellow Exhaust Note
    • Bolt On Design
    • Utilizes OEM Hangers
    • Stainless Steel Tips Are Included
    • Lifetime Warranty
  • THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.

Additional Fitment Information:
Vehicle
2015 - Subaru WRX STI

Magnaflow
  • Quad Split Rear Exit
  • Competition Series Stainless Cat-Back System
  • Competition Series Stainless Cat-Back System
  • Product Attributes:
    • Main Piping Diameter: 3
    • Muffler Type: Straight-through
    • Tip Diameter: 4
    • Muffler Finish: Satin
    • Tip Finish: Polished
    • Tip Shape: Round
    • Exit Style: Quad Split Rear
    • Tip Length: 12.875
    • Tip Type: Welded;double Wall;angle Cut;folded Edge
    • Inlet Connection Type: Bolt-on
    • Subtitle: Cat-back

Additional Fitment Information:
Vehicle Block CC Engine CID
2015 - Subaru WRX STI H 2458 4 Cyl 2.5L -

MBRP Exhaust
  • 3 in.; Quad Split Rear Exit; T304 Stainless Steel; Street Version; Includes 3.5 in. OD Dual Out Tips;Meets EPA Standards
  • Armor Pro Cat Back Exhaust System; 3 in.; Quad Split Rear Exit; T304 Stainless Steel; Street Version; Includes 3.5 in. OD Dual Out Tips;
  • Armor Pro Cat Back Exhaust System
  • Product Attributes:
    • Exhaust Type: Cat-back
    • Exit Position:
      • Dual Split Rear
      • Quad Split Rear
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: 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 And Birth Defects; Or Other Reproductive Harm
    • Inlet Inside Diameter: 3.000 In. - 2.500 In.
  • Features:
    • Improved Torque And Horsepower
    • Lower Exhaust Gas Temperatures
    • Increased Throttle Response
    • Mellow Exhaust Note
    • Bolt On Design
    • Utilizes OEM Hangers
    • Stainless Steel Tips Are Included
    • Lifetime Warranty
  • THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.

Additional Fitment Information:
Vehicle
2015 - Subaru WRX STI

MBRP Exhaust
  • 3 in.; Single Rear Exit; T304 Stainless Steel; 5 in. Tip;Meets EPA Standards
  • Armor Pro Cat Back Exhaust System; 3 in.; Single Rear Exit; T304 Stainless Steel; 5 in. Tip;
  • Armor Pro Cat Back Exhaust System
  • Product Attributes:
    • Exhaust Type: Cat-back
    • Exit Position: Single Rear
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: 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 And Birth Defects; Or Other Reproductive Harm
  • Features:
    • Improved Torque And Horsepower
    • Lower Exhaust Gas Temperatures
    • Increased Throttle Response
    • Bolt On Design
    • Utilizes OEM Hangers
  • THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.

Additional Fitment Information:
Vehicle
2015 - Subaru WRX STI
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