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GReddy Supreme SP Exhaust for the 12-15 Honda Civic Si

GReddy Supreme SP Cat-Back Exhaust - 12-15 Honda Civic Si

Regular price $750.00 USD $674.99 USD

Availability: In Stock Sold Out

Manufacturer: GReddy

SKU: gre10158209


The Supreme SP cat-back exhaust for the 9th generation (FG/FB) Honda 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; 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.

  • Honda Civic Si [FG4 - Coupe] (2012, 2013, 2014, 2015)
  • Honda Civic Si [FB6 - Sedan]*** (2012, 2013, 2014, 2015)

***It is also designed to be compatible with the Sedan Si models via the optional 11050108 adapter


Large oval muffler and 102mm tip
Made for maximum muffler ground clearance
Single 63.5mm (2.5") piping
Exceptional sound and power for the K20
Classic Supreme SP 102mm (4") laser engraved GReddy tips
Hand-welded 304 Stainless-Steel exhaust
Limited Lifetime Warranty

Extended Information

Models: Si Coupe (Si Sedan with 11050108 adapter)
Chassis: FG4 (FB6 with adapter)
Engine: K24
Type: cat-back exhaust system
Number of pieces: 3 pieces
Piping: 63.5 mm (2.5")
Tip: 102 mm (4.0 ")
Gasket(s): 2.5 " oval x2
Weight: 28.0 lbs (Stock weight 30.8 lbs)
Sound level: 94.0 dB(a)
Power: +11 whp / +2 ft-lbs

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