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GMC K35/K3500 Pickup Muffler

We have 5 Items In-stock. Select a year to continue.
$59.37 List Price $70.06 Save $10.69 Availability: In Stock
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Heartthrob Exhaust Turbo Universal Mufflers combine quiet performance with nice flow. They are double-wrapped and welded with two baffles and cores. The double wrapped shell provides a quieter sound than single-wrapped welded turbo mufflers.

Feature(s):

  • Mild sound
  • Reversible

Specifications:

  • Round body shape
  • Single center inlet and outlet configuration
  • 2.25 in. inlet diameter
  • 2.25 in. outlet diameter
  • SKU#: HEA422
  • Brand: Heartthrob Exhaust
  • Fit Note: 1/2 And 3/4 Ton, 1/2 Ton, 3/4 Ton, 1 Ton, Small Block Engine, 1/2 Ton, 3/4 Ton
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
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Fits the following GMC K35/K3500 Pickup Years:
  • 1967-1974 | All Engines | All Submodels
$118.54 List Price $198.00 Save $79.46 Availability: In Stock
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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
  • SKU#: G2755131S
  • Brand: Gibson
  • Product Fit: Universal
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 3-4 business days
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Fits the following GMC K35/K3500 Pickup Years:
  • 1973-1974 | All Engines | All Submodels
$23.31 List Price $27.51 Save $4.20 Availability: In Stock
  • APW Bestseller
  • Clearance Item
  • Low Price Guarantee
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Heartthrob Exhaust Glasspack Muffler features louvered cores and long strand high temperature fiberglass. It has expandable ends and expansion joints that prevents premature core breakage.

Feature(s):

  • Old school powerful sound

Specifications:

  • Round body shape
  • Single center inlet and outlet configuration
  • 2.25 in. inlet diameter
  • 2.25 in. outlet diameter
  • SKU#: HEA3615562
  • Brand: Heartthrob Exhaust
  • Fit Note: 396-454 CID Big Block Engine, 1 ton
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
(see more)
Fits the following GMC K35/K3500 Pickup Years:
  • 1973-1974 | All Engines | All Submodels
$63.50 List Price $74.93 Save $11.43 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
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)
Heartthrob Exhaust Turbo Universal Mufflers combine quiet performance with nice flow. They are double-wrapped and welded with two baffles and cores. The double wrapped shell provides a quieter sound than single-wrapped welded turbo mufflers.

Feature(s):

  • Mild sound
  • Reversible

Specifications:

  • Oval body shape
  • Single offset inlet and outlet configuration
  • 2.25 in. inlet diameter
  • 2.25 in. outlet diameter
  • SKU#: HEA437
  • Brand: Heartthrob Exhaust
  • Fit Note: 396-454 CID Big Block Engine, 1 ton
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
(see more)
Fits the following GMC K35/K3500 Pickup Years:
  • 1973-1974 | All Engines | All Submodels
$40.43 List Price $47.71 Save $7.28 Availability: In Stock
  • APW Bestseller
  • Low Price Guarantee
(

more

)
Heartthrob Exhaust Glasspack Muffler features louvered cores and long strand high temperature fiberglass. It has expandable ends and expansion joints that prevents premature core breakage.

Feature(s):

  • Old school powerful sound

Specifications:

  • Round body shape
  • Single center inlet and outlet configuration
  • 2.25 in. inlet diameter
  • 2.25 in. outlet diameter
  • SKU#: HEA3615542
  • Brand: Heartthrob Exhaust
  • Fit Note: 1/2 And 3/4 Ton, 1/2 Ton, 3/4 Ton, 1 Ton, Small Block Engine, 1/2 Ton, 3/4 Ton
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
(see more)
Fits the following GMC K35/K3500 Pickup Years:
  • 1967-1974 | All Engines | All Submodels