Hooker Blackheart 2.50-inch 304 Stainless Steel Hemi Swap Exhaust System - 108-inch Wheelbase

1967-1974 Mopar A-Body with 108-inch Wheelbase - Aggressive to Moderate Sound

Part # BH23110
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This product is engineered to facilitate the installation of a later model, emissions friendly engine into a vintage / classic vehicle.

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Finish off your Gen III HEMI Swap project with the finest exhaust system available for your 1967-1974 Mopar A-Body. Features 2.50-inch diameter, 304 stainless steel, zero restriction mufflers, and 304 stainless steel mandrel-bent exhaust tubing. This exhaust system is designed for Gen III HEMI swap vehicles and bolts directly to BH23104 Shorty Headers. High tuck design for best possible ground clearance on lowered cars. Optional rectangular polished exhaust tips fit below the rear bumper (available separately to replace turndowns). 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


  • 2.50-inch 304 stainless steel dual exhaust system for 1967-1974 Mopar A-body with Gen III Hemi swap
  • Engineered as part of Mopar A-body Gen III Hemi swap system (Blackheart engine mounts, transmission crossmember, headers, and oil pan) for an easy trouble-free engine swap
  • Direct-fit to BH23104 Hooker Blackheart shorty headers – for easy bolt-on installation
  • Choose from exhaust system for vehicles with 111-inch or 108-inch wheelbase
  • X-pipe design for deep muscle car moderate to aggressive exhaust tone
  • Designed to work with all popular transmissions
  • 304 stainless steel hand welded construction – for quality, durability, and corrosion resistance
  • High tuck design for maximum ground clearance
  • Includes clamps, hanger hardware, MLS collector gaskets, fasteners, and instructions
  • Limited Lifetime Warranty

About Hooker BlackHeart

The BlackHeart team utilizes the latest technology and materials to design exhaust systems, engine swap kits, and mufflers for both import and domestic cars and trucks. Hooker BlackHeart is platform-engineered to provide superb performance, aesthetics, and fitment.

Brand Hooker BlackHeart
Emission Code8
Exhaust SeriesHooker BlackHeart
Exit PositionDual Out Rear
Inlet Diameter (in)2.5
Material304 Stainless Steel
Muffler Quantity2
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeHeader-back
Tubing Diameter (in)2.5
Wheelbase Length (in)108
Part NumberBH23110

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.

Holley 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

This Exhaust System Connects Directly to Hemi Swap Shorty Headers BH23104 - for any Easy Bolt-In Installation. This Exhaust System Fits Vehicles with 108" Wheelbase: 1967-1973 Plymouth Valiant 1970-1974 Plymouth Duster 1967-1967 Plymouth Barracuda 1973-1974 Dodge Dart Sport 1971-1972 Dodge Demon Vehicles with 111" Wheelbase should use Exhaust BH23107: 1971-1974 Plymouth Scamp 1974-1974 Plymouth Valiant 1967-1974 Dodge Dart (all except Demon & Sport)

*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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