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GMC C15 Exhaust System

We have 3 Items In-stock. Select a year to continue.
$333.20 List Price $578.96 Save $245.76 Availability: In Stock
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GIBSON – SWEPT SIDE CAT-BACK EXHAUST SYSTEMS

Gibson’s Swept Side cat-back exhaust system is dyno-proven to dramatically increase the power band in the 1800-3000 RPM range, giving you more horsepower, torque, fuel economy and towability with a rich, deep exhaust tone. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Gibson’s most popular, affordable and leading performance exhaust system
  • Stainless steel exhausts backed by a lifetime warranty
  • Patented Superflow technology means dramatically more efficient exhaust flow
  • Optimizes towing power, hill climbing and passability
  • Comes in aluminized or stainless steel
  • Proven to improve torque, horsepower (up to 20 hp) and gas mileage
  • Mandrel-bent tubing allows for continuous airflow
  • Polished stainless tips feature sleek clampless connection
  • Dyno-tested
  • Direct fit by vehicle year, make and model
  • Made in America
  • Legal in all 50 states
  • SKU#: G27315566
  • Brand: Gibson
  • Fit Note: 78.0 in. Bed, Standard Cab Pickup, 96.0 in. Bed, Standard Cab Pickup
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate to Aggressive
  • Recommended Use: Performance
  • Advertised Power Gains: 15-20 h.p.
  • Anticipated Ship Out Time: 2-3 business days
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Fits the following GMC C15 Years:
  • 1978 | 8 Cyl 7.4L | Street Coupe
  • 1977-1978 | 8 Cyl 7.4L | Heavy Half
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$247.59 List Price $292.16 Save $44.57 Availability: In Stock
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Heartthrob Exhaust Deep Tone

The Heartthrob Deep Tone Dual Exhaust System gives you a deep, throaty sound that is aggressive under heavy acceleration but mellow at cruising speed. The sound of this system is wrapped with a choice of aluminized steel or stainless steel to ensure a durable exhaust you can trust. The CNC mandrel-bent tubing allows the exhaust gasses to move smoothly to efficiently improve the horsepower of your vehicle. The Heartthrob Deep Tone Exhaust System is surely the one you can trust in the design, quality and performance improvement for your car.

Features and benefits:

  • Aluminized steel or stainless steel available
  • Features CNC mandrel-bent tubing
  • Bigger tubing diameter for rapid exhaust flow
  • Includes 2 stainless steel glass pack mufflers
  • Easy bolt-on installation
  • Includes Y-pipe that alters single exhaust into split rear exhaust
  • Backed with a 1-year warranty

Specifications:

  • Cat-back system
  • Dual exit, split rear
  • 2.25 in. piping diameter
  • Single inlet and outlet muffler configuration
  • Aggressive sound level
  • Dual 3.5 in. natural stainless steel tips
  • Y-pipe, mounting hardware included
  • SKU#: HEA1004385
  • Brand: Heartthrob Exhaust
  • Fit Note: Cab & Chassis, RWD, Standard Cab Pickup, RWD
  • Emissions: 49-state legal - no CA shipments
  • Quantity Sold: Assembly
  • Muffler Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
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Fits the following GMC C15 Years:
  • 1978 | 8 Cyl 5.7L | Street Coupe
  • 1977-1978 | 8 Cyl 5.7L | Heavy Half
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$214.72 List Price $422.80 Save $208.08 Availability: In Stock
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DYNOMAX – VT EXHAUST SYSTEMS

Dynomax’s VT exhaust system will not only boost your image, but is dyno-proven to dramatically increase your vehicle’s power and performance with style and a deep, aggressive tone when you put your foot in it. Dynomax is a world leader in the performance exhaust space, manufacturing products held to the highest engineering standards and backed by extensive research and development.

  • Patented internal valve keep vehicle cabin quieter while just cruising along
  • Backed by a limited lifetime warranty
  • Interior fiberglass matting absorbs resonance while maintaining aggressive tone
  • Improves torque and horsepower as well as mileage
  • Mandrel-bent tubing allows for continuous airflow
  • Includes all necessary hardware
  • Direct fit
  • Legal in all 50 states
  • Straight design means exhaust flows freely and backpressure is gone
  • SKU#: D2289006
  • Brand: Dynomax
  • Fit Note: 2.25 in. Tube Size, Incl. Reducers, Exhaust Pipes, 16 Ga. Tail Pipe With Side Exits, Hardware, Does Not Incl. Mufflers, 78.0 in. Bed, Standard Cab Pickup, 2.25 in. Tube Size, Incl. Reducers, Exhaust Pipes, 16 Ga. Tail Pipe With Side Exits, Hardware, Does Not Incl. Mufflers, 96.0 in. Bed, Standard Cab Pickup, 2.25 in. Tube Size; Incl. Reducers; Exhaust Pipes; 16 Ga. Tail Pipe w/Side Exits; Hardware; Does Not Incl. Mufflers;, 78.0 in. Bed, Standard Cab Pickup, 2.25 in. Tube Size; Incl. Reducers; Exhaust Pipes; 16 Ga. Tail Pipe w/Side Exits; Hardware; Does Not Incl. Mufflers;, 96.0 in. Bed, Standard Cab Pickup
  • Quantity Sold: Kit
  • Muffler Sound Level: Not Specified
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-on
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Fits the following GMC C15 Years:
  • 1978 | 8 Cyl 6.6L | Street Coupe
  • 1977-1978 | 8 Cyl 5.7L | Heavy Half
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