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2012-2015 Honda Civic Si Greddy Supreme SP Cat-Back Exhaust

Pricing: $712.50

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Greddy Supreme SP Cat-Back Exhaust

Expected ETA late Feb./ early March

Car Make: Honda
Car Model: Civic Si
Car Year: 2012-14

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.

Models: Si Coupe (use with 11050108 4dr adapter for sedans)
Chassis: FG4 (FB6 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


  • 10158209
  • 10158209
  • Greddy
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