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Pypes 70-71 Pontiac GTO Crossmember Back Exhaust Kit SGA12S
Pypes 1970-1971 Pontiac GTO and 1968 to 1972 Olds 442 Crossmember Back with X-Pipe Exhaust Kit SGA12S

Pypes 1970-1971 Pontiac GTO and 1968 to 1972 Olds 442 Crossmember Back with X-Pipe Exhaust Kit SGA12S

PYPSGA12S (1 in stock)

Pypes Performance Exhaust

Regular price $569.99 Sale

For 1970-1971 GTOs with Valance Exit and 1968-1972 442 with bumper cutouts. Pypes Exhaust Systems are designed to deliver enhanced performance, provide extra punch in the passing lane and improve gas mileage. Fabricated using the highest quality materials, 16 gauge, mandrel-bent, stainless steel pipe ensures maximum exhaust gas flow, which can significantly boost horsepower.

The stainless construction of our pipes and mufflers enables them to resist corrosion and extends the life of the system. Our mufflers, X-pipe, OEM style stainless tailpipes, are also stainless constructed and precision matched to deliver the ultimate in sound and performance.

Cad plated or stainless clamps, stainless hangers and polished stainless tips are available and included in most systems. These systems can be installed at home without any special tools.

  • Exhaust Type: Dual
  • Exit Position: Dual Split Rear
  • Exit Style: Straight
  • Inlet Inside Diameter: 2.5 Inch
  • Oulet Outside Diameter: 2.5 Inch
  • Diameter: 2.5 Inch
  • Material: 409 Stainless Steel
  • Sold As: Kit
  • Warranty: Limited Lifetime
  • Stainless Steel Construction Resists Corrosion
  • Delivers The Ultimate In Sound And Performance
  • Provides Extra Punch In The Passing Lane
  • Fabricated Using The Highest Quality Materials
  • Ensures Maximum Exhaust Gas Flow Which Significantly Boost HP
  • Installation At Home Without Special Tools
  • Mandrel-Bent/ All Welded/ Built to Last
  • For 1970-1971 GTOs w/ Valance Exit And 1968-1972 442 With Bumper Cutouts
  • Includes Street Pro Mufflers
  • MPN:  SGA12S

State Restrictions: CA  State Restrictions:  CA


Brand Pypes Performance Exhaust
Manufacturer's Part Number SGA12S 
Part Type Exhaust Systems
Product Line Pypes Street Pro Exhaust Systems
UPC 846861003336 
System Material 304 stainless steel 
System Style Header-back 
Exit Location Split rear 
System Finish Natural 
Catalytic Converter(s) Included No 
Intermediate Pipe Diameter (in) 2.500 in. 
Muffler Included Yes 
Muffler Quantity Two 
Muffler Configuration Single inlet/Single outlet 
Muffler Style Chambered 
Exhaust Type Dual 
Hardware Included Yes 
Inlet Quantity Two 
Tailpipe Diameter (in) 2.500 in. 
Tip Included No 
Quantity Sold as a kit. 
Notes Fits vehicles with valance cutouts. Due to variations in different manufacturers headers, modifications to the length and or angles of the intermediate pipes may be required when connecting to the header collectors. 


  • 1972 Oldsmobile 442
  • 1971 Oldsmobile 442
  • 1971 Pontiac GTO
  • 1970 Oldsmobile 442
  • 1970 Pontiac GTO
  • 1969 Oldsmobile 442
  • 1968 Oldsmobile 442