Pypes Performance Exhaust XVA10 Exhaust X-Pipe Kit Height: 34.000 Width: 15.000 Length: 9.000 Weight: 19 Fitment: 1977/Pontiac/Grand Prix/SJ Coupe 2-Door/6.6L 403Cu. In. V8 GAS OHV Naturally Aspirated^^1977/Pontiac/Grand Prix/SJ Coupe 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1977/Pontiac/Grand Prix/LJ Coupe 2-Door/6.6L 403Cu. In. V8 GAS OHV Naturally Aspirated^^1977/Pontiac/Grand Prix/LJ Coupe 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1977/Pontiac/Grand Prix/LJ Coupe 2-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated^^1977/Pontiac/Grand Prix/LJ Coupe 2-Door/4.9L 301Cu. In. V8 GAS OHV Naturally Aspirated^^1977/Pontiac/Grand Prix/Base Coupe 2-Door/6.6L 403Cu. In. V8 GAS OHV Naturally Aspirated^^1977/Pontiac/Grand Prix/Base Coupe 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1977/Pontiac/Grand Prix/Base Coupe 2-Door/5.7L 350Cu. In. V8 GAS OHV N...