
STM Catted Downpipe/J-Pipe for 2022+ WRX
Vehicle Fitment:
2022 Subaru WRX
• Confirmed with 6-speed manual, not yet confirmed with CVT models.
More Info:
This downpipe fits with the stock exhaust or aftermarket cat-back systems that bolt to the factory locations. We include new 2-bolt gaskets and hardware, but if you need to replace the turbo gasket, we recommend the GrimmSpeed Turbo to Downpipe Gasket (026003) Two o2 bungs are included for the front and rear oxygen sensors and stainless hardware is provided for the ground strap. The factory downpipe weighs 24.7 and the STM downpipe weighs 16.2. You'll save 8.5 pounds, gain power, have a fully stainless exhaust that won't rust out and it sounds great!
Features & Specs:
• 400 CPSI GESi Gen 2 G-Sport UHO EPA Converter (85230)
• Supports up to 850 HP
• Hand Fabricated, Tig-Welded, Back-Purged
• Full Stainless Steel
• 3" 2-Bolt Exhaust Flanges
• Two O2 Bungs
• Gaskets and Hardware Included
• Bolts to Stock Turbo and Cat-Back
• Fits with Stock-Placement Cat-Back
Weights:
• STM Downpipe weighs 16.20 Pounds
• OEM Downpipe weighs 24.70 Pounds
• Save 8.5 pounds
Made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.
* This does not include the natural life of the converter *
Includes:
(1) STM J-Pipe with GESi Cat
(1) STM Center-Pipe
(2) Remflex 3" Gaskets
(4) M10 x 35 Bolts
(4) M10 Flat Washers
(4) M10 Nuts
(1) M6x10 Stainless Bolt
(1) M6 Stainless Lock Washer
(1) M6 Stainless Nut
Shipping Times: 1-10 Days
Hand crafted and welded in New York, please give our fabricators time to assemble your piece!
For Racing Use:
Please check all your local laws before purchase.

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STM Catted Downpipe/J-Pipe for 2022+ WRX
Vehicle Fitment:
2022 Subaru WRX
• Confirmed with 6-speed manual, not yet confirmed with CVT models.
More Info:
This downpipe fits with the stock exhaust or aftermarket cat-back systems that bolt to the factory locations. We include new 2-bolt gaskets and hardware, but if you need to replace the turbo gasket, we recommend the GrimmSpeed Turbo to Downpipe Gasket (026003) Two o2 bungs are included for the front and rear oxygen sensors and stainless hardware is provided for the ground strap. The factory downpipe weighs 24.7 and the STM downpipe weighs 16.2. You'll save 8.5 pounds, gain power, have a fully stainless exhaust that won't rust out and it sounds great!
Features & Specs:
• 400 CPSI GESi Gen 2 G-Sport UHO EPA Converter (85230)
• Supports up to 850 HP
• Hand Fabricated, Tig-Welded, Back-Purged
• Full Stainless Steel
• 3" 2-Bolt Exhaust Flanges
• Two O2 Bungs
• Gaskets and Hardware Included
• Bolts to Stock Turbo and Cat-Back
• Fits with Stock-Placement Cat-Back
Weights:
• STM Downpipe weighs 16.20 Pounds
• OEM Downpipe weighs 24.70 Pounds
• Save 8.5 pounds
Made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.
* This does not include the natural life of the converter *
Includes:
(1) STM J-Pipe with GESi Cat
(1) STM Center-Pipe
(2) Remflex 3" Gaskets
(4) M10 x 35 Bolts
(4) M10 Flat Washers
(4) M10 Nuts
(1) M6x10 Stainless Bolt
(1) M6 Stainless Lock Washer
(1) M6 Stainless Nut
Shipping Times: 1-10 Days
Hand crafted and welded in New York, please give our fabricators time to assemble your piece!
For Racing Use:
Please check all your local laws before purchase.

Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Vehicle Fitment:
2022 Subaru WRX
• Confirmed with 6-speed manual, not yet confirmed with CVT models.
More Info:
This downpipe fits with the stock exhaust or aftermarket cat-back systems that bolt to the factory locations. We include new 2-bolt gaskets and hardware, but if you need to replace the turbo gasket, we recommend the GrimmSpeed Turbo to Downpipe Gasket (026003) Two o2 bungs are included for the front and rear oxygen sensors and stainless hardware is provided for the ground strap. The factory downpipe weighs 24.7 and the STM downpipe weighs 16.2. You'll save 8.5 pounds, gain power, have a fully stainless exhaust that won't rust out and it sounds great!
Features & Specs:
• 400 CPSI GESi Gen 2 G-Sport UHO EPA Converter (85230)
• Supports up to 850 HP
• Hand Fabricated, Tig-Welded, Back-Purged
• Full Stainless Steel
• 3" 2-Bolt Exhaust Flanges
• Two O2 Bungs
• Gaskets and Hardware Included
• Bolts to Stock Turbo and Cat-Back
• Fits with Stock-Placement Cat-Back
Weights:
• STM Downpipe weighs 16.20 Pounds
• OEM Downpipe weighs 24.70 Pounds
• Save 8.5 pounds
Made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.
* This does not include the natural life of the converter *
Includes:
(1) STM J-Pipe with GESi Cat
(1) STM Center-Pipe
(2) Remflex 3" Gaskets
(4) M10 x 35 Bolts
(4) M10 Flat Washers
(4) M10 Nuts
(1) M6x10 Stainless Bolt
(1) M6 Stainless Lock Washer
(1) M6 Stainless Nut
Shipping Times: 1-10 Days
Hand crafted and welded in New York, please give our fabricators time to assemble your piece!
For Racing Use:
Please check all your local laws before purchase.























