Fits 1983-1987 Corolla GT-S 

All Stainless Steel Cat-back.  This exhaust is light weight, fully TIG welded stainless steel, that's entirely straight through for best performance. These exhausts are on the aggressive side when it comes to sound levels. 

From APEXi:

Toyota Corolla Sport GTS 1986, N1 Evo™ Stainless Steel Cat-Back Exhaust System by APEXi®. Exhaust Pipe Material: Stainless Steel. Exhaust Type: Cat-Back. Main Piping Diameter: 2.13" to 2.36". The N1 series muffler has become a staple of the import tuning industry. The N1 was the first of its kind to incorporate the classic angled muffler design that has became so familiar with today's street cars. Born from our involvement in the grueling N1 endurance series, the N1 exhaust system pairs a straight through design racing muffler with free flowing, mandrel bent piping (60.5mm N/A, 80mm for turbo applications). The combination has resulted in dyno proven horsepower and countless satisfied customers world wide. Designed with track use in mind, durability is of utmost importance. The polished SUS 304 stainless steel canister features robotic TIG welding for an immaculate finish and years of reliable performance. 

Piping: 54mm-60mm
Tip: 90mm

 Photo credit apexi usa, apexi jp