- 2" primaries
- 3-1/2" collectors
- (8) 18-gauge mild steel 2" mandrel-bent primary tubes
- (2) Pre-formed 3-1/2" collectors
- (2) Extra-thick standard-port 5/16" flanges
- 2" primaries
- 3-1/2" collectors
- (8) 18-gauge mild steel 2" mandrel-bent primary tubes
- (2) Pre-formed 3-1/2" collectors
- (2) Extra-thick standard-port 5/16" flanges
