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Hooker BlackHeart Header Back Exhaust System

1968-72 Nova/GM X-Body 3 inch Exhaust Systems

PART# 70501321-RHKR

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$1,027.00   Suggested Retail
$923.95   Holleydays Price
Estimated shipping date: 01/29/2021
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Aggressive to moderate sound


GM X-Body (Chevy Nova, Pontiac Ventura, etc.) (3" Stainless steel exhaust system with stamped crossover, TIG welded Mufflers, for up to 450HP; single turn-down exit under each quarter panel


  • 3" Diameter tubing exhaust system with stamped crossover, TIG welded mufflers, for up to 450HP; single turn-down exit under each quater panel


BrandHooker BlackHeart
Emission Code4
Exhaust SeriesHooker BlackHeart
Material304 Stainless Steel
Product TypeExhaust System
Sound LevelAggressive / Moderate
System TypeHeader-back
Tube Diameter3 inch
Tubing Diameter (in)3
Part Number70501321-RHKR



This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • 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

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Tech Resources

This exhaust system is designed for use on vehicles equipped with a stock rear suspension system only. It is directly compatible only with Hooker Blackheart LS swap headers and transmission crossmembers designed for stock front sub-frame equipped vehicles; it is not compatible with Hooker Blackheart LS swap headers, or transmission crossmembers, that are designed for use with a Detroit Speed front subframe. Each system is supplied with a high-efficiency stamped crossover & high-flow TIG-welded 304 SS absorption mufflers;OE quality hardware (clamps, hanger rods and rubber isolators) provided to ensure excellent fitment and a leak free installation;Provides compatibility with stock parking brake cables; Both kits are supplied with turn-down style exits under the rear quarter panels


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