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![Crossmember Back H-Pipe Exhaust System 18 in. Turbo Pro Mufflers for 1970-1971 Pontiac GTO, 1968-1972 Oldsmobile 442 [2.500 in.]](https://www.jegs.com/images/mini_750/900/958/958-sga42t30.jpg)
Vehicle Info NeededPYPES PERFORMANCE EXHAUSTPART NUMBER: 958-SGA42T30
Crossmember Back H-Pipe Exhaust System 18 in. Turbo Pro Mufflers for 1970-1971 Pontiac GTO, 1968-1972 Oldsmobile 442 [2.500 in.]
$80479
Ships on 09/15/2026
Lowest Price GuaranteeCrossmember-Back Exhaust Systems - GM
Crossmember Back H-Pipe Exhaust System1970-1971 Pontiac GTO 1968-1972 Oldsmobile 442 2.500 in. Diameter Tubing Dual Valance Exit 18 in. Turbo Pro Mufflers Mellow & Deep Sound Sold as a Kit
Pypes SGA42T30 Turbo Pro Crossmember Back H-Pipe Exhaust System Features:
- Mandrel-bent 16 gauge 409 stainless steel tubing
- Improved exhaust flow for more power
- Includes stainless steel clamps and hangers
Pypes SGA42T30 Turbo Pro Crossmember Back H-Pipe Exhaust System Note:
- For 1970-1971 GTO with valance exit and 1968-1972 Oldsmobile 442 with bumper cutouts.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeExhaust System
BrandPYPES PERFORMANCE EXHAUST
Package Height14.0
Package Width14.0
Package Length60.0
Weight65.0 PG
Part CategoryPerformance Parts
UniversalNo
Hardware IncludedYes
Tailpipe Diameter (In.)2.5
Mandrel-BentYes
QuantitySold as a kit
Inlet Size (In.)2.5
Muffler IncludedYes
Gauge16
Muffler Quantity2
System StyleCrossmember Back
Oxygen Sensor PortNo
System Material409 Stainless Steel
Exit LocationDual Rear
Exit QuantityDual
Catalytic Converter IncludedNo
Vendor Part NumberSGA42T30
Package Qty1
Package TypeEA
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