Rev9 Exhaust for Subaru WRX VA1 2.0L Turbo H4 (2015-2021) 2" FlowMAXX Axleback - Titanium / Stainless Steel Race Spec

Fitment Information

• Subaru WRX VA1 2.0L Turbo H4 (2015, 2016, 2017, 2018, 2019, 2020, 2021)
  
• Subaru WRX STI VA2 2.5L Turbo H4 (2015, 2016, 2017, 2018, 2019, 2020, 2021)
  • VA2 Fits the Standard with Muffler Only

Specs & Features

• Stainless steel or Titanium pipe 
  
• Muffler:
  
  • Standard - with Muffler
    
  • Track - Muffler Delete
• Total weight of this exhaust: 
  
  • Standard with Muffler Stainless: 14 lbs
    
  • Track Stainless Steel: 6 lbs
  • Track Titanium: 11 lbs
• Exhaust Pipe diameter / Exhaust Tip Size: 
  
  • Standard: 2.5" / 3" 
    
  • Track Stainless Steel: 2.5" / 3"
  • Track Titanium: 2"  
• Offer Minimal Flow Restriction With Deep, Rich Performance Sound
  
• Installation Hardware Include For Simple Installation With Proper Equipment
  
• Fully Polished Double Walled Exhaust Tip

Product Description

The Rev9 FlowMAXX Exhaust System lineup for the 2015–2021 Subaru WRX and STI is designed for enthusiasts who want their car to sound more aggressive, feel more responsive, and finally match the personality of a turbocharged boxer engine. Whether you choose the Standard Sport Muffler Edition for a deeper and more refined performance tone or the louder Track Edition for full race-inspired aggression, each setup transforms the driving experience with improved exhaust flow, sharper throttle response, and a far more noticeable turbo spool sound. The stainless steel systems deliver a deep, aggressive exhaust tone with excellent durability for everyday use, while the lightweight titanium configuration adds even more motorsport character with a sharper sound profile and reduced exhaust weight for a more responsive driving feel.

Constructed with mandrel-bent piping, precision TIG welding, and OEM-style direct bolt-on fitment, Rev9 engineered these axle-back systems to deliver long-term reliability, clean installation, and serious sound improvement without the premium price tag of boutique Subaru exhaust brands. The Track Edition straight-pipe setups unleash a louder, rawer boxer rumble built for enthusiasts who want maximum sound and turbo presence, while the muffled Standard Edition maintains a more balanced tone that stays enjoyable during daily driving. Whether you’re chasing tunnel echoes, weekend canyon runs, car meet attention, or simply want your WRX or STI to feel more alive every time boost kicks in, the Rev9 FlowMAXX exhaust lineup delivers the sound, style, and performance character Subaru enthusiasts actually crave.