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  • MagnaFlow [15 - 21 WRX/STI] Competition Catback Exhaust | 19361 - JDMuscleCat Back Exhaust SystemMFL19361
  • MagnaFlow [15 - 21 WRX/STI] Competition Catback Exhaust | 19361 - JDMuscleCat Back Exhaust SystemMFL19361
  • MagnaFlow [15 - 21 WRX/STI] Competition Catback Exhaust | 19361 - JDMuscleCat Back Exhaust SystemMFL19361
  • MagnaFlow [15 - 21 WRX/STI] Competition Catback Exhaust | 19361 - JDMuscleCat Back Exhaust SystemMFL19361

Magnaflow

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Competition Catback Exhaust

Fits: 15-21 WRX/STI

$1,41300
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Auto Parts Store of the Year 2026

Magnaflow Competition Catback Exhaust
Fits: 15-21 WRX/STI
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Fitment

Please Note: Part Number: 19361 Competition Series — 3 in. mandrel-bent main piping, 1 straight-through muffler Quad Split Rear exit with 4 in. polished welded-on double-wall angle-cut folded-edge tips Fitment note: MagnaFlow's own body copy references 2.0L/2.5L 2011-2018 Subaru and some dealers list 2011-2014 WRX/STI sedan coverage — store fitment kept at 2015-2021 WRX/STI pending confirmation
  • 2015–2021 Subaru | WRX STI
  • 2015–2021 Subaru | WRX

Description

MagnaFlow Competition Series Cat-Back Performance Exhaust System (19361) for the 2015-2021 Subaru WRX and WRX STI — engineered for maximum performance with an aggressive exhaust note.

  • Part Number: 19361
  • Year / Make / Model: 2015-2021 Subaru WRX; 2015-2021 Subaru WRX STI
  • Chassis / Engine: 2.0L FA20DIT (WRX); 2.5L EJ257 (WRX STI)
  • Exhaust Type: Cat-Back; Series: Competition
  • Piping Diameter: 3 in. mandrel-bent main piping
  • Muffler: 1 straight-through muffler (4x4 in.)
  • Tip Diameter: 4 in. polished welded-on double-wall angle-cut folded-edge tips; Quad Split Rear exit
  • Material: 409 stainless steel tubing; polished stainless steel tips
  • Sound: Aggressive exterior, moderate interior
  • Inclusions: hangers welded at OEM locations; clamps and o-rings included
  • Warranty: MagnaFlow limited lifetime construction warranty
  • Origin: Made in USA

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