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![Street-Pro Crossmember Back X-Pipe Exhaust System for 1966-1974 Mopar B-Body [3 in.]](https://www.jegs.com/images/mini_750/900/958/958-smb13s.jpg)
Vehicle Info NeededPYPES PERFORMANCE EXHAUSTPART NUMBER: 958-SMB13S
Street-Pro Crossmember Back X-Pipe Exhaust System for 1966-1974 Mopar B-Body [3 in.]
$83779
2 left in stock
Ships on Sep 14, 2026
Lowest Price GuaranteeCrossmember-Back Exhaust Systems - Mopar B-Body
Street-Pro Crossmember Back X-Pipe Exhaust System1966-1974 Mopar B-Body 3 in. Diameter Tubing Dual Rear Exit Street-Pro Mufflers Classic Muscle Sound Sold as a Kit
PYPES SMB13S Street-Pro Crossmember Back X-Pipe Exhaust System Features:
- Mandrel-bent 16 gauge 409 stainless steel tubing
- Improved exhaust flow for more power
- Includes all installation hardware, clamps, and hangers
- Accompanied by PYPES Lifetime Warranty
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
Weight60.0 PG
Part CategoryPerformance Parts
UniversalNo
Hardware IncludedYes
Mandrel-BentYes
QuantitySold as a kit
Inlet Size (In.)3
System FinishNatural/Polished
Muffler IncludedYes
Gauge16
Muffler Quantity2
Gaskets IncludedNo
System StyleCrossmember Back
System Material409 Stainless Steel
Exit QuantityDual
Clamps Included12
Part FitmentSemi Universal
Catalytic Converter IncludedNo
Vendor Part NumberSMB13S
Package Qty1
Package TypeEA
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