The Pypes SGF13S is a 3 inch Street Pro crossmember-back exhaust system for 1970-1974 F-Body Camaro and Firebird models. It runs 3 inch mandrel-bent 409 stainless tubing through an X-pipe crossover into Street Pro mufflers, with the tailpipes exiting at the quarter panel. The kit includes the X-pipe, mufflers, hangers, and clamps; exhaust tips are sold separately.
- Type: Crossmember-back exhaust system
- Series: Street Pro X-Pipe
- Diameter: 3 in
- Material: 409 stainless steel, mandrel bent
- Muffler: Street Pro
- Crossover: X-pipe included
- Exit: Quarter panel
- Tips: Not included
- Sold as: Complete kit
- Part number: SGF13S
Vehicle Applications
- 1970 Chevrolet Camaro
- 1971 Chevrolet Camaro
- 1972 Chevrolet Camaro
- 1973 Chevrolet Camaro
- 1974 Chevrolet Camaro
- 1970 Pontiac Firebird
- 1971 Pontiac Firebird
- 1972 Pontiac Firebird
- 1973 Pontiac Firebird
- 1974 Pontiac Firebird
FAQ
What vehicles does the Pypes SGF13S fit?
It fits 1970-1974 F-Body Chevrolet Camaro and Pontiac Firebird models.
How is the SGF13S different from the SGF11S?
The SGF13S uses larger 3 inch tubing for higher-output engines, while the SGF11S is a 2.5 inch system. Both use Street Pro mufflers and an X-pipe crossover.
Where do the tailpipes exit?
The tailpipes exit at the quarter panel.
Does the SGF13S include tips?
No. Exhaust tips are sold separately.
Is the SGF13S street legal?
Yes. It is a crossmember-back system for these pre-catalytic cars and does not delete any emissions equipment.

