Pypes builds this Street Pro header-back exhaust system for the 1970 to 1974 Mopar E-Body Dodge Challenger and Plymouth Barracuda. It uses 2.5 inch diameter stainless tubing, includes an X-pipe crossover, and finishes with 2.5 inch tips. The system ships as a complete kit and installs from the header collectors rearward.
- Type: Header-back exhaust system
- Series: Street Pro
- Crossover: X-pipe
- Diameter: 2.5 in
- Tips: 2.5 in
- Material: Stainless steel
- Sold as: Kit
- Part number: SME11S
Vehicle Applications
- 1970 Dodge Challenger
- 1971 Dodge Challenger
- 1972 Dodge Challenger
- 1973 Dodge Challenger
- 1974 Dodge Challenger
- 1970 Plymouth Barracuda
- 1971 Plymouth Barracuda
- 1972 Plymouth Barracuda
- 1973 Plymouth Barracuda
- 1974 Plymouth Barracuda
FAQ
What does the Pypes SME11S fit?
It fits the 1970 to 1974 Dodge Challenger and Plymouth Barracuda.
What diameter is the Street Pro system?
It uses 2.5 inch diameter stainless tubing with 2.5 inch tips.
Does it include a crossover?
Yes. It includes an X-pipe crossover and ships as a complete kit.

