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GMC K15/K1500 Suburban Muffler

We have 4 Items In-stock. Select a year to continue.
$57.04 List Price $67.31 Save $10.27 Availability: In Stock
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MUFFLER -- Stock Replacement, Original Equipment Quality, Sold Individually
  • SKU#: WK21784
  • Brand: Walker
  • Fit Note: 129.5 in. Wheelbase, Truck
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Anticipated Ship Out Time: Same day - 1 business day
 
Fits the following GMC K15/K1500 Suburban Years:
  • 1974 | 8 Cyl 5.7L | Base
  • 1973-1974 | 8 Cyl 5.7L | Base
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$77.50 List Price $100.29 Save $22.79 Availability: In Stock
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FLOWMASTER – 40 SERIES ORIGINAL MUFFLERS

Flowmaster’s 40 Series Original mufflers turn give your ride that rich muscle car rumble and turn it into a performance powerhouse with an aggressive, deep tone that will make you smile as you put the pedal to the metal. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Great for muscle cars or vehicles that need a single exhaust
  • Backed by a lifetime warranty for stainless/3 years for aluminized steel
  • Fully MIG-welded for maximum strength
  • Comes in 16-gauge aluminized steel or stainless steel
  • Quick and easy installation
  • Very aggressive tone
  • Improves torque and horsepower
  • Come in single or dual pipe style
  • Dyno-tested
  • SKU#: F1342443
  • Brand: Flowmaster
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
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Fits the following GMC K15/K1500 Suburban Years:
  • 1973-1974 | 8 Cyl 7.4L | Base
  • 1973 | 8 Cyl 5.0L | Base
$23.31 List Price $27.51 Save $4.20 Availability: In Stock
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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: 1/2 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 K15/K1500 Suburban Years:
  • 1973-1974 | 8 Cyl 7.4L | Base
$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 K15/K1500 Suburban Years:
  • 1974 | All Engines | All Submodels
  • 1973 | 8 Cyl 5.7L | Base