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Hooker Blackheart BH23112 Crossmember Back Exhaust System - 3.00 Inch

Compatible with 1967-1969 Plymouth® Barracuda®, 1967-1973 Valiant, 1970-1974 Duster, 1971-1972 Dodge® Demon®, 1973-1974 Dart Sport Mopar® A-Body with 108-inch Wheelbase equipped with a V8 engine. This product is not created or sold by Chrysler®.

Part # BH23112

Hooker Blackheart BH23112 Crossmember Back Exhaust System - 3.00 Inch



This product is engineered to facilitate the installation of a later model, emissions friendly engine into a vintage / classic vehicle.

See Emissions Details
This Hooker BlackHeart exhaust system was specially designed for 1967-1974 Mopar A-Body and is perfect for the person looking for moderate to aggressive interior and exterior sound levels. The crossmember-back exhaust system comes complete with a built-in X-pipe crossover, all mandrel-bent 3.00-inch 304 stainless steel tubing. The system includes all hardware necessary for installation and is designed to accommodate 108-inch wheelbases, and provides adequate clearance for substantially lowered vehicles. The exhaust system is covered by our Limited Lifetime Warranty. Optional exhaust tips are available separately. Exhaust fitment confirmed with Gen III Hemi and the following transmissions: A727, NAG1, TKX (Chevy with Quick Time® RM-8079 bellhousing), 8HP70, 8HP90, TR-6060, and T56 magnum Fits Vehicles with 108-inch Wheelbase: 1967-1973 Plymouth® Valiant 1970-1974 Plymouth® Duster 1967-1967 Plymouth® Barracuda® 1973-1974 Dodge® Dart Sport 1971-1972 Dodge® Demon®


  • Crossmember Back Dual Exhaust System for 1967-1974 A-Body
  • System Features Merged-X Crossover and 304 Stainless Steel Absorption Mufflers for Maximum Performance and Minimized Resonance
  • 3.00-inch Diameter Exhaust Systems for Vehicles with 108-inch Wheelbase
  • Mandrel-bent 304 Stainless Steel Construction for Strength and Corrosion Resistance
  • Tube Routing Optimized to Provide Best-Available Ground Clearance
  • Compatible with stock 1967-1974 stock or Hooker Blackheart Gen III swap transmission crossmember
  • Turn-down Style Tips Exit Beneath the Rear Bumper – Optional Polished Tips Available Separately
  • Extended length X-pipe connection tubes provide additional material for attaching to existing headers or exhaust manifolds
  • Fabrication and welding may be requred for final connection to your Manifolds or Headers
  • Limited Lifetime Warranty
Brand Hooker Blackheart
Diameter3 inch
Emission Code8
Engine FamilyChrysler Gen III Hemi
Chrysler Small Block V8
Chrysler V8 383-440W/426 Hemi
Exit PositionDual Out Rear
Material304 Stainless Steel
Muffler Inlet Diameter (in)3.0
Muffler Outlet Diameter (in)3.0
Muffler Quantity2
Product TypeCrossmember-Back Exhaust Systems
Sound LevelAggressive / Moderate
Tip StyleNot Included
Manufacturer Part NumberBH23112
Part NumberBH23112

This product is engineered to facilitate the installation of a later model, emissions friendly engine into a vintage / classic vehicle. Federal guidelines indicate that an engine swap is allowable if one or more of the following conditions apply:

  • If there is a reasonable basis for knowing that emissions are not adversely affected as described in the EPA Tampering Policy dated November 23rd, 2020
  • The resulting vehicle is identical (with regard to all emissions related parts, engine design parameters and engine calibrations) to a certified configuration of the same or newer model year as the vehicle chassis
  • The vehicle is a uncontrolled vehicle - Vehicles that were manufactured before emission control regulations took effect are called uncontrolled vehicles. Aftermarket parts regulations and anti-tampering laws do not apply to these vehicles
  • An EO legal engine swap kit is utilized (such as a GM EROD)
  • The vehicle is being used for Competition Use Only - Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

Consumers are responsible for complying with laws prohibiting tampering, and for ensuring that modified vehicles are operated in a manner that complies with applicable laws.

Motor vehicle emissions standards are intended to help achieve and maintain air quality goals that benefit human health and the environment. The U.S. Environmental Protection Agency, the California Air Resources Board, Environment Canada, and other regulatory agencies prohibit the operation of vehicles on public roads that violate applicable emissions standards. The alteration of certified production vehicles to modify, remove, or render inoperable emissions control hardware or software, known as "tampering" is prohibited by the U.S. Clean Air Act and other laws. Tampering with motor vehicles emissions control systems is punishable by substantial monetary penalties.

Supershops is committed to performance parts that allow enthusiasts to modify their vehicles and meet emission requirements. The information provided here is intended to provide general guidance of interest to most consumers. This guidance may not apply to all vehicles or all situations. It is up to each consumer to evaluate his or her own situation and take the steps necessary to comply with applicable laws. The websites listed below have more information about regulations and policies pertaining to motor vehicle emissions. You should also check the regulations applicable to your local area.

EPA Website

CARB Website

*Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.