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STM Cat-Back Exhaust - 2015+ WRX/STi



Vehicle Fitment:
2015-2018 Subaru WRX
2015-2018 Subaru STi

The STM Stainless Steel Cat-Back Dual Exit Exhaust for the 2015+ WRX and STi will bolt up to your stock or aftermarket downpipe and gives you everything you want out of a catback exhaust! Full stainless steel construction, gorgeous design and hand-fabricated in the USA. The STM Exhaust utilizes your existing exhaust hangers and includes all gaskets and hardware for a clean and easy installation.

Install Notes:
We include 5 gaskets for this 4 gasket install.
• (1) 3" and M10 hardware for the center pipe to axle back
• (2) 2.5" and M10 hardware for the axle back to tips
• For the cat-back to stock downpipe use the 2.5" gasket and M8 hardware
• For the cat-back to 3" aftermarket downpipe use the 3" gasket and M10 hardware

Features & Specs
• Weighs 31.3 Pounds (Including Hardware & Gaskets)
• Factory Cat-Back Weighs 38 Pounds
• 6.7 Pounds Lighter Than Stock
• Tig Welded
• Back Purged
• 3" Piping to The Y
• 2.5" Piping From The Y to The Tips
• Mandrel Bent
• Full Stainless Steel
• Tig Welded
• Back Purged
• Gaskets & Hardware Included
• Bolts to Factory Locations
• Polished Blue Tips
• Beautiful Fit and Finish

STM Products are made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.

(1) STM Stainless Exhaust (4 Piece)
(2) 3" Remflex Gaskets
(3) 2.5" Remflex Gaskets
(8) M10 x 35 Bolts
(8) M10 Nuts
(2) M8 x 30 Bolts
(2) M8 Nuts

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As per California's Prop65 Laws, we are required to warn you that the products we sell will put you near a vehicle, which emits dangerous chemicals or worse. Please review the link below before purchase.
Cancer and Reproductive Harm