How to Remove the Stock Exhaust on a 2015 Subaru STI

Written By: Bench Espiritu
  • Comments: 1
  • Favorites: 0

Difficulty

Easy

Steps

5

Time Required

00:20:00

Sections

1

Flags

0

  1. The first step to removing the exhaust would be to get the car in the air. Whether you use a lift or a jack, you still have to go under the car.

    • The first step to removing the exhaust would be to get the car in the air. Whether you use a lift or a jack, you still have to go under the car.

    Edit

  2. After having the car properly in the air, it is time to unbolt the mid pipe from the exhaust system. First unbolt the two mufflers on each side. Each assembly has (2) 14mm nuts and 12mm bolts that hold the muffler to the midpipe.

    • After having the car properly in the air, it is time to unbolt the mid pipe from the exhaust system.

    • First unbolt the two mufflers on each side.

    • Each assembly has (2) 14mm nuts and 12mm bolts that hold the muffler to the midpipe.

    Edit

  3. Since it is being held up by an exhaust hanger, it will not fall. Go ahead and unbolt the junction between the cat and the mid pipe.

    • Since it is being held up by an exhaust hanger, it will not fall.

    • Go ahead and unbolt the junction between the cat and the mid pipe.

    • Please be sure to not lose the springs as you will be re-using them.

    Edit

  4. After the midpipe is unbolted, it is now time for your handy friend to hold the pipe for you as you remove it from the hanger. Spray some WD-40 or PB blaster to lubricate the hanger so you can slip it off the pipe.

    • After the midpipe is unbolted, it is now time for your handy friend to hold the pipe for you as you remove it from the hanger.

    • Spray some WD-40 or PB blaster to lubricate the hanger so you can slip it off the pipe.

    • Use pliers if you need to.

    Edit

  5. Since the midpipe is gone, the mufflers are free to be removed now. These bulky items are not that heavy but is quite bulky so be careful. Spray the hangers with WD-40 or PB Blaster so you are able to remove them.

    • Since the midpipe is gone, the mufflers are free to be removed now.

    • These bulky items are not that heavy but is quite bulky so be careful.

    • Spray the hangers with WD-40 or PB Blaster so you are able to remove them.

    • Use pliers if you need to.

    • Repeat for the other side.

    • Then the exhaust is off!

    Edit
Conclusion

After Conmpleting the removal of the exhaust, you are now ready for the aftermarket exhaust install.

Author

Bench Espiritu

Member since: 05/02/2014

2,060 Reputation

18 Guides authored

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 1

Past 7 Days: 7

Past 30 Days: 29

All Time: 4,762

Copyright© 2019 Moddit