GReddy Supreme SP Exhaust (12-15 Civic Si Coupe & Sedan)
The Supreme SP for the 9th generation, (FB) Civic Si features our signature GReddy layout, styling and sound, with new revised piping diameter. It is designed to be compatible with both Si models; coupe and sedan (using the optional 11050108 adapter).
The straight-through resonator and specially-made oval muffler with off-set extended tip allows the system to follow the Civics bodies lines and help reduce drone and high pitch frequencies. It also provides good power gains throughout the usable power band. Like all GReddy Supreme SP systems the fully hand-welded 304 Stainless-Steel exhaust carries a Limited Lifetime Warranty.
- Civic Si 2dr. (4dr with adapter p/n 11050108)
- FB (4dr. with adapter)
- Cat-back exhaust system
- Number of pieces:
- 63.5 mm (2.5")
- 105 mm (4.0 ")
- 2.5" oval (qty: 2 included) replacement
- 28.0 lbs (Stock weight 30.8 lbs)
- Sound level:
- 94.0 dB(a)
- +11 hp
- +2 ft-lb
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to https://www.P65Warnings.ca.gov/passenger-vehicle.
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