Hand crafted and welded in NY with a week wait (unless indicated that we have them available for shipment in our inventory). Please allow STM’s fabricators time to assemble your piece!
Fitment Information:
2022
-2024 Subaru WRX 6-speed manual
Please note: This downpipe fits with the stock exhaust or aftermarket cat back systems that bolt to the factory locations.
Features:
The STM 22-23 Subaru WRX catted downpipe is now available! Also called a j-pipe or jpipe, this part connects from the turbo to the cat-back exhaust and is capable of flowing up to 850 horsepower. Faster spool and increased power throughout the entire power band makes this piece a must-have to take your car to the next level. You’ll save 8.5 pounds, gain power, have a fully stainless exhaust that won’t rust out and it sounds great!
- 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″ inch 2-Bolt Exhaust Flanges
- Two O2 Bungs are included for the front and rear oxygen sensors
- Stainless hardware is provided for the ground strap
- New gaskets and install hardware are included
- Bolts to stock turbo and catback
- Fits with stock-placement catback
- Approx. 8.5 pounds lighter than stock downpipe
- Made in the USA
- Limited Lifetime Warranty to the original purchaser against manufacturing defects (does not include the natural life of the converter).
What’s Included:
- (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
If you need to replace the turbo gasket, we recommend the GrimmSpeed Turbo to J-Pipe Gasket.