STM WRX/STi 2015-2021 Axle-Back Exhaust

The STM Axle-Back Exhaust / Muffler Delete for the 2015-2021 Subaru WRX and STi bolts directly in place of your stock muffler and weighs 16 pounds less than stock. Beautifully crafted in the USA, the STM Axle-Back features mandrel-bent tube and tig welded flanges with polished, dual 3.5″ slanted, burned blue tips. All new mounting hardware is included along with two Remflex graphite gaskets for a leak-free install.
Vehicle Fitment:
2015-2021 Subaru WRX
2015-2021 Subaru STi
This does not fit 2022 models. Please see the STM WRX 2022 Axle-Back
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!
See more STM Products