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GMC K35/K3500 Pickup Muffler

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GMC K35/K3500 Pickup Muffler, Heartthrob Exhaust HPM Turbo Muffler - Natural, Aluminized Steel, Direct Fit

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$53.71 $63.38 You Save $9.67 (15%)
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Availability: In Stock
Only from APW Rewards

HEARTTHROB EXHAUST – HPM TURBO MUFFLERS

Heartthrob’s HPM Turbo mufflers are made from double-wrapped aluminized steel or single-wrapped stainless steel and also feature two baffles to make these Heartthrob’s quietest performance mufflers. They’re available in all of the most common diameters and configurations, are reversible and are also available in a smaller, space-saving 4x9-inch design. Using the most-advanced exhaust manufacturing equipment, Heartthrob makes high-performance exhaust components that unleash the power from your muscle car.

  • Internals have two baffles and cores (on most models)
  • Can be reversed
  • Made with double-wrapped aluminized steel to reduce noise
  • A space-saving, smaller version is available
  • Choose from 14- or 18-inch lengths
  • Brand SKU#: Heartthrob Exhaust 437
  • Series: Heartthrob Exhaust HPM Turbo
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 3-4 business days
  • Attachment Style: Clamp-On
  • Case Shape: Oval
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Internal Construction: Chambered and Louvered
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2.25 in.
  • Warranty: 1-year Heartthrob Exhaust warranty
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Fits the following GMC K35/K3500 Pickup Years

  • 1973-1974 | All Submodels | All Engines

GMC K35/K3500 Pickup Muffler, Gibson Superflow Muffler - Natural, Aluminized Steel, Direct Fit

$112.78 $152.87 You Save $40.09 (26%)
Add to Cart
Availability: In Stock
Only from APW Rewards
GIBSON – SUPERFLOW MUFFLERS

Gibson’s Superflow mufflers are dyno-proven to dramatically increase the performance of your low to mid-range RPMs due to their Convergent Flow technology and straight design that makes exhaust flow more efficiently. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Most reliable, trouble-free and affordable muffler available - period
  • Deep, rich big block sound outside and relatively quiet interior
  • Convergent Flow Technology means dramatically more efficient exhaust flow
  • Baffled and chambered design means optimal volumetric efficiency
  • Features straight design which improves exhaust flow to increase torque and horsepower
  • Dyno-tested
  • Direct fit by vehicle year, make and model
  • Made in America
  • Makes significant improvements in low to mid-range
  • Comes in universal oval, round or in a race muffler style
  • Brand SKU#: Gibson 55131
  • Series: Gibson Superflow
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Internal Construction: Baffled and Chambered
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2.25 in.
  • Overall Length: 13 in. (Body)
  • Tip Diameter: No Tips
  • Tip Finish: No Tips
  • Tip Material: No Tips
  • Warranty: Lifetime Gibson limited warranty
  • Width: 9 in.
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Fits the following GMC K35/K3500 Pickup Years

  • 1973-1974 | All Submodels | All Engines

GMC K35/K3500 Pickup Muffler, Gibson Superflow Muffler - Natural, Stainless Steel, Direct Fit

$127.73 $207.90 You Save $80.17 (39%)
Add to Cart
Availability: In Stock
Only from APW Rewards
GIBSON – SUPERFLOW MUFFLERS

Gibson’s Superflow mufflers are dyno-proven to dramatically increase the performance of your low to mid-range RPMs due to their Convergent Flow technology and straight design that makes exhaust flow more efficiently. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Most reliable, trouble-free and affordable muffler available - period
  • Deep, rich big block sound outside and relatively quiet interior
  • Convergent Flow Technology means dramatically more efficient exhaust flow
  • Baffled and chambered design means optimal volumetric efficiency
  • Features straight design which improves exhaust flow to increase torque and horsepower
  • Dyno-tested
  • Direct fit by vehicle year, make and model
  • Made in America
  • Makes significant improvements in low to mid-range
  • Comes in universal oval, round or in a race muffler style
  • Brand SKU#: Gibson 55132S
  • Series: Gibson Superflow
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Baffled and Chambered
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 13 in. (Body)
  • Tip Diameter: No Tips
  • Tip Finish: No Tips
  • Tip Material: No Tips
  • Warranty: Lifetime Gibson limited warranty
  • Width: 9 in.
See more

Fits the following GMC K35/K3500 Pickup Years

  • 1973-1974 | All Submodels | All Engines

GMC K35/K3500 Pickup Muffler, Gibson Superflow Muffler - Natural, Stainless Steel, Direct Fit

$128.01 $207.90 You Save $79.89 (38%)
Add to Cart
Availability: In Stock
Only from APW Rewards
GIBSON – SUPERFLOW MUFFLERS

Gibson’s Superflow mufflers are dyno-proven to dramatically increase the performance of your low to mid-range RPMs due to their Convergent Flow technology and straight design that makes exhaust flow more efficiently. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Most reliable, trouble-free and affordable muffler available - period
  • Deep, rich big block sound outside and relatively quiet interior
  • Convergent Flow Technology means dramatically more efficient exhaust flow
  • Baffled and chambered design means optimal volumetric efficiency
  • Features straight design which improves exhaust flow to increase torque and horsepower
  • Dyno-tested
  • Direct fit by vehicle year, make and model
  • Made in America
  • Makes significant improvements in low to mid-range
  • Comes in universal oval, round or in a race muffler style
  • Brand SKU#: Gibson 55131S
  • Series: Gibson Superflow
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Internal Construction: Baffled and Chambered
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2.25 in.
  • Overall Length: 13 in. (Body)
  • Tip Diameter: No Tips
  • Tip Finish: No Tips
  • Tip Material: No Tips
  • Warranty: Lifetime Gibson limited warranty
  • Width: 9 in.
See more

Fits the following GMC K35/K3500 Pickup Years

  • 1973-1974 | All Submodels | All Engines

GMC K35/K3500 Pickup Muffler, Gibson Superflow Muffler - Natural, Aluminized Steel, Direct Fit

$99.16 $152.87 You Save $53.71 (35%)
Add to Cart
Availability: In Stock
Only from APW Rewards
GIBSON – SUPERFLOW MUFFLERS

Gibson’s Superflow mufflers are dyno-proven to dramatically increase the performance of your low to mid-range RPMs due to their Convergent Flow technology and straight design that makes exhaust flow more efficiently. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Most reliable, trouble-free and affordable muffler available - period
  • Deep, rich big block sound outside and relatively quiet interior
  • Convergent Flow Technology means dramatically more efficient exhaust flow
  • Baffled and chambered design means optimal volumetric efficiency
  • Features straight design which improves exhaust flow to increase torque and horsepower
  • Dyno-tested
  • Direct fit by vehicle year, make and model
  • Made in America
  • Makes significant improvements in low to mid-range
  • Comes in universal oval, round or in a race muffler style
  • Brand SKU#: Gibson 55132
  • Series: Gibson Superflow
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Baffled and Chambered
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 13 in. (Body)
  • Tip Diameter: No Tips
  • Tip Finish: No Tips
  • Tip Material: No Tips
  • Warranty: Lifetime Gibson limited warranty
  • Width: 9 in.
See more

Fits the following GMC K35/K3500 Pickup Years

  • 1973-1974 | All Submodels | All Engines
Customer Review: (see review/s)

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