Greddy Supreme SP Exhaust System

09-14 TSX
Chassis: CU2
Engine: K24A2
Type: Dual Muffler Cat-Back Exhaust
Number of pieces: 4pcs
Piping: 63.5 mm (2.5 ")
Tip: 102 mm (4.0 ")
Gasket(s): 2.5 " oval (qty: 3 included) replacement
Resonator: Yes
Weight: 51.9 lbs 
Sound level: 84 / 85 dB(a) @4500
HP: +3  hp
TRQ: +3  ft-lbs

12-14 Civic Si
Models: Si Coupe, Sedan (11050108 adapter for sedans included)
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

06-11 Civic Si 
Chassis: FG2/FA5 (11050104 adapter for sedans included)
Engine: K20
Type: Cat-back exhaust
Number of pieces: 3pcs
Piping: 63.5 mm (2.5 ")
Tip: 102 mm (4.0 ")
Gasket(s): 2.5 " oval (qty: 2 included) replacement
Resonator: Yes
Weight:  27.5 lbs   (Stock weight  27.3 lbs)
Sound level:  90 dB(a) 
HP:  +5  hp
TRQ:  +3  ft-lbs