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STM Tuned WRX/STi 2015-2020 Cat-Back Exhaust

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Original Price $2,537.45 NZD
Current Price $2,283.70 NZD
SKU STM-15WRX-CATBK
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"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping"

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.

Features & Specifications:

  • 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

Vehicle Fitment:

  • 2015-2020 Subaru WRX
  • 2015-2020 Subaru STi

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

Made in the USA!

Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.

Includes:

  • (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