Want to modify or upgrade your 16-21 Honda Civic Si (FC1/FC3) with aftermarket catback? At ClubCivic.com we have a great selection of aftermarket performance parts for your 10th generation Honda Civic Si. We have 47 Catback available in our catalog and most have free shipping.
aFe Exhaust Cat Back
 49-36615-L
aFe POWER Takeda 16-17 Honda Civic I4-1.5L (t) 2.5-2.25in 304 SS CB Dual-Exit Exhaust Blue Tips 2017-2020 Honda Civic Si |
 49-36615-P
aFe POWER Takeda 16-17 Honda Civic I4-1.5L (t) 2.25-2.5in 304 SS CB Dual-Exit Exhaust Polish Tip 2017-2020 Honda Civic Si |
 49-36618-1C
aFe POWER Takeda 3in 304 SS Cat-Back Exh w/Center Carbon Fiber Tips 17-19 Honda Civic Si L4-1.5L (t) 2017-2020 Honda Civic Si |
 49-36618-B
aFe Takeda 3in 304 SS Cat-Back Exhaust w/ Dual Center Black Tips 17+ Honda Civic Si (2dr) I4 1.5L 2017-2020 Honda Civic Si |
 49-36618-L
aFe Takeda 3in 304 SS Cat-Back Exhaust System w/ Blue Tips 2017 Honda Civic Si I4 1.5L (t) 2017-2020 Honda Civic Si |
 49-36618-P
aFe Takeda 3in 304 SS Cat-Back Exhaust System w/ Polished Tips 2017 Honda Civic Si I4 1.5L (t) 2017-2020 Honda Civic Si |
 49-36619-B
aFe Takeda 2.5in 304SS Cat-Back Exhaust System w/ Black Tips 17-20 Honda Civic Si Sedan I4 1.5L 2017-2020 Honda Civic Si |
 49-36619-C
aFe Takeda 2.5in 304SS Cat-Back Exhaust System w/ Carbon Tips 17-20 Honda Civic Si Sedan I4 1.5L 2017-2020 Honda Civic Si |
 49-36619-L
aFe Takeda 2.5in 304 SS Cat-Back Exhaust System w/ Blue Tips 17-20 Honda Civic Si Sedan I4 1.5L 2017-2020 Honda Civic Si |
 49-36619-P
aFe Takeda 2.5in 304SS Cat-Back Exhaust System w/ Polished Tips 17-20 Honda Civic Si Sedan I4 1.5L 2017-2020 Honda Civic Si |
 49-36620-B
aFe Takeda 2.5in 304SS Cat-Back Exhaust System 17-20 Honda Civic SI Coupe L4-1.5L (t) - Black Tip 2017-2020 Honda Civic Si |
 49-36620-C
aFe Takeda 2.5in 304SS Cat-Back Exhaust System 17-20 Honda Civic SI Coupe L4-1.5L (t) 2017-2020 Honda Civic Si |
 49-36620-L
aFe Takeda 2.5in 304SS Cat-Back Exhaust System 17-20 Honda Civic SI Coupe L4-1.5L (t) - BL Flame Tip 2017-2020 Honda Civic Si |
 49-36620-P
aFe Takeda 2.5in 304SS Cat-Back Exhaust System 17-20 Honda Civic SI Coupe L4-1.5L (t) - Polished Tip 2017-2020 Honda Civic Si |
 49-36621-1C
aFe Takeda 3in 304 SS Cat-Back Exhaust System w/ Carbon Tips 2017+ Honda Civic Si (4dr) I4 1.5L (t) 2017-2020 Honda Civic Si |
 49-36621-B
aFe Takeda 3in 304 SS Cat-Back Exhaust System w/ Black Tips 2017+ Honda Civic Si (4dr) I4 1.5L (t) 2017-2020 Honda Civic Si |
 49-36621-L
aFe Takeda 3in 304 SS Cat-Back Exhaust System w/ Blue Tips 2017+ Honda Civic Si 4Dr I4 1.5L (t) 2017-2020 Honda Civic Si |
 49-36621-P
aFe Takeda 3in 304 SS Cat-Back Exhaust System w/Polished Tips 2017+ Honda Civic Si (4dr) I4 1.5L (t) 2017-2020 Honda Civic Si |
AWE Tuning Cat-Back Touring
 3015-32108
AWE Tuning 2016+ Honda Civic Si Touring Edition Exhaust w/Front Pipe & Dual Chrome Silver Tips 2017-2020 Honda Civic Si |
 3015-33122
AWE Tuning 2016+ Honda Civic Si Touring Edition Exhaust w/Front Pipe & Dual Diamond Black Tips 2017-2020 Honda Civic Si |
 3015-52012
AWE Tuning 2016+ Honda Civic Si Touring Edition Exhaust w/Front Pipe & Triple Chrome Silver Tips 2017-2020 Honda Civic Si |
 3015-53014
AWE Tuning 2016+ Honda Civic Si Touring Edition Exhaust w/Front Pipe & Triple Diamond Black Tips 2017-2020 Honda Civic Si |
AWE Tuning Cat-Back Track
 3020-32052
AWE Tuning 2016+ Honda Civic Si Track Edition Exhaust w/Front Pipe & Dual Chrome Silver Tips 2017-2020 Honda Civic Si |
 3020-33066
AWE Tuning 2016+ Honda Civic Si Track Edition Exhaust w/Front Pipe & Dual Diamond Black Tips 2017-2020 Honda Civic Si |
 3020-52008
AWE Tuning 2016+ Honda Civic Si Track Edition Exhaust w/Front Pipe & Triple Chrome Silver Tips 2017-2020 Honda Civic Si |