Torxe™ - Honda Civic 1991 Stainless Steel Cat-Back Exhaust System with Single Rear Exit
Amazon.com: Compatible/Replacement For 1988-1991 Honda Civic (Hatchback Models Only) 2.5 Inch Stainless Steel Catback Exhaust System 4.5 Inch Muffler Tip : Automotive
HKS Sport Cat back Exhaust 88-91 Honda Civic Si EF EF9 LES-H05 | eBay