2-1 Merge Collector, 2.5" Inlet I.D. x 2.5" Outlet O.D., 8.50" Overall Length 1983-pontiac-firebird-esi2278290 Great for autocross

Great for autocross

5 coilover kit featuring coilovers on all four corners and includes all suspension items and necessary hardware

25" diameter into 2" Cat-Back™ system features 2" brushed T-304 stainless steel turn down tips

Highly precise (machined to 1/1000th inch) CNC machined T6061 Aluminum bearing shells provide an accurate fit

the Sonic delivers extreme lateral grip

2-1 Merge Collector, 2.5" Inlet I.D. x 2.5" Outlet O.D., 8.50" Overall Length 1983-pontiac-firebird-esi2278290 Great for autocrossVibrant Performance Merge Collectors feature complete 16 gauge, 304 Stainless Steel construction, precise fabrication and back purged TIG welds at every seam. Each Vibrant Performance collector is ready to weld straight out of the box with little or no prep required. Sold individually.