Owners manual
03/14/17 
 INS5344 
CORSA Performance · 140 Blaze Industrial Pkwy · Berea, OH 44017 · P: (440) 891.0999 · F: (440) 891-1868 
3 
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    
Axle Back Exhaust System 
2016+ Cadillac CTS-V LT4 
PN 14357/BLK & 14358/BLK 
Factory Exhaust System Removal: 
1.  Beginning at the rear of the vehicle near the tips, locate the electrical connectors for the exhaust valves on each 
side of the vehicle. (Fig. A) Open the small, grey retainer by gently pulling backwards slightly. Once the small clip 
has been opened, disconnect the wire from the valve. This feature is not retained on the Corsa Performance 
Exhaust system, so the electrical connector can be taped up or otherwise sealed from the environment and 
secured out of the way behind the bumper/valence. Repeat this step on the opposite side of the vehicle. 
2.  On the driver’s side of the vehicle, locate the exhaust hanger nearest the differential. Measure from the edge of 
the hanger forward on the vehicle, along the exhaust pipe 5.4 inches and make a mark. (Fig. B) 
3.  On the passenger’s side of the vehicle, locate the hanger nearest the rear differential. Again, from the edge of 
the hanger measuring forward on the vehicle along the exhaust pipe, make a mark at 5.0 inches. (Fig. C) 
4.  After ensuring the marked locations are correct on both sides, cut the exhaust pipes on the marks using a chain 
cutter or other suitable device. (Fig. D) 
5.  Using a grommet puller or similar device and beginning near the cut locations, remove the factory rubber 
grommets from the vehicle chassis on both sides of the vehicle. (Fig. E) The use of a soap and water solution 
may aid in removing exhaust hangers from the rubber grommets. 
NOTE: Using jack stands or some other appropriate prop device(s), support the cut ends of the factory exhaust 
system before removing any more rubber grommets. 
6.   Remove the factory muffler hangers from the grommets using grommet pullers or a similar device. (Fig. F) The 
use of a soap and water solution may aid in removing exhaust hangers from the rubber grommets. 
NOTE: After these secondary hangers are removed, the exhaust will only be supported by the rear hangers near 
the exhaust tips and the jack stands or supports from Step #5. Take care with the factory exhaust system as to 
not injure yourself or damage the vehicle.  
7.  At the cut location, lower the rear portion of the exhaust slightly to gain clearance between the rear pipes and 
the factory front section of the exhaust. (Fig. G) With the help of another person, support the rear exhaust 
section at both ends. From the front part of the section near the cut points, gently pull the exhaust forward until 
the rear hangers near the tips are removed from the rubber grommets. Carefully lower the exhaust system from 
the vehicle. The use of a soap and water solution may aid in the removal of hanger grommets. At this time, using 
a file or similar device, deburr the remaining pipe on the vehicle. 
8.  With the factory exhaust on the ground, remove the rubber grommets near the cut location using grommet 
pullers or a similar device. (Fig. H) Reinstall these rubber grommets on the vehicle with the larger end mounted 
to the chassis of the vehicle. (Fig. J) This concludes the removal of the factory exhaust system. 
REMOVAL PICTURES ON NEXT PAGE 









