My brother in law had a V code 70 Challenger R/T SE,and it had one,when he wrecked the car in 1977,he gave me the exhaust system. It may have been a replacement system,but it wasn't aftermarket,it might have been a Walker OEM replacement.

70 Charger R/T SE 472 Hemi 70 Charger R/T convertible 70 Charger R/T V Code Sixpack 69 Charger R/T SE Sunroofcar 68 Charger 383 68 Charger 318 71 Charger R/T 70 Challenger convertible 71 Challenger convertible 71 Cuda 340 09 Challenger R/T Classic