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Heartthrob Exhaust System 8478675

Heartthrob Exhaust System
Heartthrob Exhaust
Choose Your Vehicle

3 In. Header Dual Exhaust System

  • Part #: 8478675
  • 409 Stainless Steel
  • Does Not Include Mufflers
  • Models Equipped with 3 In. Collector Long Tube Header
  • Off-road Use on Models with Factory Converters
  • Models with Hooker Super Competition or Competition Headers, Where the Headers Do Not Exit Parallel and at the Same Distance, Modifications (Cutting and


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Select your vehicle details above to ensure item compatibility.

Ships between 12/15/15 - 12/21/15
  • High-performance custom-designed exhaust
  • Several designs available: Cat-Back, Header-Back, Diesel, Deep Tone, Manifold
  • Many diameters and exit styles to choose from
  • Aluminized or T409 Steel construction
  • Includes your choice of muffler style (or no muffler)
  • Mouning hardware, brackets, and installation instructions included
  • 1-Year Warranty

Toss those old, restrictive pipes and give your engine the flow and performance it deserves with a Heartthrob Exhaust System! Heartthrob crafts their performance Exhaust Systems from aluminized steel or 409 Stainless Steel tubing for excellent quality and durability. This tubing is CNC mandrel bent for the smoothest, most seamless exhaust flow with virtually no power-robbing backpressure. With several styles and sizes available, Heartthrob has the custom-tuned performance exhaust for you.

Your Heartthrob Exhaust is designed and tuned specifically to your engine. Its pipe diameters, lengths, and bends are all carefully chosen to unleash the power potential that lies under your hood. Heartthrob Exhausts work great with stock and modified vehicles, especially those with high-flow induction and a tuner/programmer. All Heartthrob Cat Back, Header Back, Diesel, Manifold, and Deep Tone Exhaust Systems come with all the tubing, hangers, clamps, and instructions you need for an easy installation. Most include your choice of turbo, straight-through, glass-packed, or Heartthrob Velocity Series mufflers, or no muffler at all.

The Heartthrob Cat Back mounts right in place of your old exhaust on your existing mount points, making installation a simple strip-and-bolt process. Note: some minor cutting may be necessary to remove your old exhaust.

Heartthrob backs your free-flowing Exhaust System with a 1-year warranty.

Heartthrob 8478675 fits:

  • 1975-1979 Buick Skylark
  • 1967-1981 Chevrolet Camaro
  • 1962-1979 Chevrolet Chevy II
  • 1962-1979 Chevrolet Nova
  • 1973-1979 Oldsmobile Omega
  • 1967-1981 Pontiac Firebird
  • 1972-1979 Pontiac Phoenix
  • 1972-1979 Pontiac Ventura

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