Owners manual

02/02/15
INS5291
CORSA Performance · 140 Blaze Industrial Pkwy · Berea, OH 44017 · P: [phone] · F: [phone]
2
E - M a i l : s a l e s @ c o r s a p e r f o r m a n c e . c o m · w w w . c o r s a p e r f o r m a n c e . c o m
Exhaust System Installation
Cat Back Exhaust System
Subaru GR STI Sedan
PN 14863
Cat-Back Exhaust System
3.0” Dual Rear Exit; Quad 3.5” Pro-Series Tips
2015+ Subaru WRX & WRX STI Sedan
PN 14857 / 14857BLK
Please take time to read and understand these installation instructions.
CORSA recommends that the installation of this system be performed by a qualified service center or professional
muffler installer who has the necessary equipment, tools and experienced personnel. However, if you decide to
perform this install, the use of a hoist and an additional person will be required.
CAUTION: Never work on a hot exhaust system. Allow time for the vehicle to cool. Always wear eye protection when
working under a vehicle.
Recommended Tools:
 3/8” drive ratchet
 3/8” drive 14mm socket
 3/8” drive 15mm deep socket
 3/8” drive 13mm socket
 12mm wrench
 13mm wrench
 Small flat head screwdriver
 Soap and water solution
 Torque wrench
 Safety glasses
 Grommet Pullers
Please confirm that all parts are present before beginning the factory exhaust system removal and CORSA exhaust
system installation.
Bill of Materials:
1. 42WR2019 (Tunnel Muffler Assembly)
2. 42WR2020 (Rear Muffler Assembly – Pass.)
3. 42WR2021 (Rear Muffler Assembly – Driver)
4. 42WR4008 (Y-Split Assembly)
5. 42WR4011 (Axle Pipe Assembly)
6. 42WR7016 (Hardware Kit)