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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 13mm deep socket
3/8" drive 14mm shallow socket
3/8" drive 15mm deep socket
3/8" 4" ratchet extension
Small pry bar or flathead screwdriver
Please confirm that all parts are present before beginning the factory exhaust system removal and CORSA exhaust
system installation.
Exhaust System Installation
Cat Back Exhaust System
Dual Rear Exit w/ 4.5" Pro-Series Tips
2012-15 Subaru BRZ & Scion FR-S
PN 14864 and 14864BLK
12mm wrench
13mm wrench
Grommet pullers
Soap and water solution
Torque Wrench
Penetrating lubricant spray
Safety glasses
Bill of Materials
1. 42BZ2000 – Tunnel Muffler Assembly
2. 42BZ2003 – Rear Muffler Assembly
3. 42BZ3000 – Driver Tip Assembly
4. 42BZ3001 – Passenger Tip Assembly
5. 42BZ4003 – Axle Pipe Assembly
6. 42BZ7006 – Hardware Kit
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Summary of Contents for Corsa 14864
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Page 1: Recommended Tools
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. - Page 2 5. Carefully remove the factory exhaust from under the vehicle. 6. Using a small pry bar or similar device, remove the graphite donut gasket on the factory exhaust flange upstream of the catback. This gasket is not reused during the Corsa exhaust installation. (Fig D)
- Page 3 Exhaust System Installation Cat Back Exhaust System Dual Rear Exit w/ 4.5” Pro-Series Tips 2012-15 Subaru BRZ & Scion FR-S PN 14864 and 14864BLK Factory Exhaust Removal Pictures Fig. A Fig. B Fig. D Fig. C...
- Page 4 Cat Back Exhaust System Dual Rear Exit w/ 4.5” Pro-Series Tips 2012-15 Subaru BRZ & Scion FR-S PN 14864 and 14864BLK Installation of CORSA Exhaust System: NOTE: Apply the anti-seize lubricant (supplied) to the threads ONLY of all the clamps and flange bolts. Failure to follow this procedure can cause nuts to seize on clamps and potentially destroy threads.
- Page 5 Cat Back Exhaust System Dual Rear Exit w/ 4.5” Pro-Series Tips 2012-15 Subaru BRZ & Scion FR-S PN 14864 and 14864BLK NOTE: During cold weather start-ups, you may experience an exhaust sound that is deeper and louder in tone than usual. This is temporary and will diminish to normal levels once your engine has reached its normal operating temperature.
- Page 6 Exhaust System Installation Cat Back Exhaust System Dual Rear Exit w/ 4.5” Pro-Series Tips 2012-15 Subaru BRZ & Scion FR-S PN 14864 and 14864BLK CORSA Exhaust Installation Pictures Fig. A Fig. B Fig. C Fig. D Fig. E Fig. F...
- Page 7 Exhaust System Installation Cat Back Exhaust System Dual Rear Exit w/ 4.5” Pro-Series Tips 2012-15 Subaru BRZ & Scion FR-S PN 14864 and 14864BLK CORSA Exhaust Installation Pictures Fig. G Fig. H Fig. J...
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