STM WRX/STi 2015-2021 Axle-Back Exhaust

The STM Axle-Back Exhaust / Muffler Delete for the 2015-2021 Subaru WRX and STi is a direct replacement for your stock muffler, shedding a substantial 16 pounds compared to stock. Crafted with precision in the USA, this axle-back features mandrel-bent tubing and meticulously TIG-welded flanges. Its polished, dual 3.5" slanted tips with a distinctive burned blue finish add a touch of style to your vehicle. Each kit includes new mounting hardware and two Remflex graphite gaskets for a hassle-free installation process.

 Vehicle Fitment: 
2015-2021 Subaru WRX 
2015-2021 Subaru STi 
This does not fit 2022 models.
 
Upgradeable! 
The STM Axle-Back Exhaust will bolt right up to the STM 3" Cat-Back Exhaust. We offer just the mid and Y pipes as a complete set if you decide to boost your power levels in the future! See more here! 
 
Features: 
• STM Axle-Back weighs 10.4 pounds (5.20 each pipe) 
• Factory pipes weigh 26.6 pounds 
• Saves 16.2 pounds 
• 3.5" Quad Slanted Tips Burned Blue 
• Fully Stainless Steel 
• Mandrel Bent 
• Tig-Welded 
• Back Purged 
• Stainless Steel 
 
Made in the USA! 
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects. 
 
Includes: 
(2) STM Exhaust Pipes 
(2) 2.5" Remflex Gaskets 
(4) M10x30 Bolts 
(4) M10 Nuts 
 
Shipping Times: 1-14 Days 
Hand crafted and welded in New York, please give our fabricators time to assemble your piece!