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Greddy Supreme SP Exhaust- Honda Civic Si 12-15




The Supreme SP for the 9th generation, (FB) Civic Si features the 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. 

Make: Honda
Civic Si 2dr. (4dr with adapter p/n 11050108)
Years: 2012-15 

Chassis:  FB (4dr. with adapter)
Engine:  K24
Type:   cat-back exhaust system

Number of pieces:  3pcs.
Piping:   63.5 mm (2.5")
Tip:   105 mm (4.0 ")
Gasket(s):    2.5 " oval (qty: 2 included) replacement
Resonator:   Yes

Weight:  28.0 lbs   (Stock weight  30.8 lbs)
Sound level:  94.0 dB(a)

HP:  +11  hp
TRQ:  +2  ft-lbs