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GMC K15 Suburban Muffler

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GMC K15 Suburban Muffler, Walker SoundFX Muffler - Natural, Aluminized Steel, Minor Modifications

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Walker's SoundFX mufflers feature a sophisticated pipe routing and tuning technology that provides better flow and favorable OE-style sound. Their all-aluminized construction provides longer service life and quality appearance.

Features:
  • OE-style sound
  • Aluminized steel muffler material

Specifications:

  • 21 in. L x 9.75 in. W x 4.25 in. H, 26 in. overall length
  • Single offset inlet and offset outlet configuration
  • 2.5 in. inlet diameter
  • 2 in. outlet diameter
  • Oval body shape
  • Sku#: WK17831
  • Brand: Walker
  • Series: Walker SoundFX
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: OE Replacement
  • Internal Construction: Perforated
  • Attachment Style: Weld-On
  • Body Length: 21 in.
  • Case Shape: Oval
  • Height: 4.25 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2 in.
  • Overall Length: 26 in.
  • Width: 9.75 in.
  • Anticipated Ship Out Time: Same day - 1 business day
  • Warranty: 90-day Walker limited warranty
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Fits the following GMC K15 Suburban Years

  • 1975-1978 | Base | 8 Cyl 5.7L
  • 1975-1978 | Base | 8 Cyl 6.6L
  • 1975-1978 | High Sierra | 8 Cyl 5.7L
  • 1975-1978 | High Sierra | 8 Cyl 6.6L
  • 1975-1978 | Sierra Classic | 8 Cyl 5.7L
  • 1975-1978 | Sierra Classic | 8 Cyl 6.6L
  • 1975-1978 | Sierra Grande | 8 Cyl 5.7L
  • 1975-1978 | Sierra Grande | 8 Cyl 6.6L
  • 1977-1978 | Base | 8 Cyl 5.0L
  • 1977-1978 | High Sierra | 8 Cyl 5.0L
  • 1977-1978 | Sierra Classic | 8 Cyl 5.0L
  • 1977-1978 | Sierra Grande | 8 Cyl 5.0L
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GMC K15 Suburban Muffler, Flowmaster 40 Series Delta Flow Muffler - Gray, Stainless Steel, Minor Modifications

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FLOWMASTER – 40 SERIES DELTA FLOW MUFFLERS

Flowmaster’s 40 Series Delta Flow mufflers give your daily driver a noticeable edge with a deep, aggressive tone while still keeping it quieter on the inside. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Increases torque and horsepower
  • 3-year warranty for aluminized steel, lifetime warranty for stainless steel
  • Fully MIG-welded for maximum strength
  • Come in stainless steel and 16-gauge aluminized steel
  • Distinct, aggressive tone with reduced interior sound
  • Fabricated utilizing patented Delta Flow process and 2-chamber design
  • Quick and easy installation
  • For passenger cars
  • Dyno-tested
  • Sku#: F13842443
  • Brand: Flowmaster
  • Series: Flowmaster 40 Series Delta Flow
  • Material: Stainless Steel
  • Color/Finish: Gray
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Internal Construction: Chambered
  • 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.
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2.25 in.
  • Overall Length: 19 in.
  • Width: 9.75 in.
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Lifetime Flowmaster Limited Warranty
  • Notes: Minor Modifications
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Fits the following GMC K15 Suburban Years

  • 1975-1978 | Base | 6 Cyl 4.1L
  • 1975-1978 | Base | 8 Cyl 5.7L
  • 1975-1978 | Base | 8 Cyl 6.6L
  • 1975-1978 | High Sierra | 6 Cyl 4.1L
  • 1975-1978 | High Sierra | 8 Cyl 5.7L
  • 1975-1978 | High Sierra | 8 Cyl 6.6L
  • 1975-1978 | Sierra Classic | 6 Cyl 4.1L
  • 1975-1978 | Sierra Classic | 8 Cyl 5.7L
  • 1975-1978 | Sierra Classic | 8 Cyl 6.6L
  • 1975-1978 | Sierra Grande | 6 Cyl 4.1L
  • 1975-1978 | Sierra Grande | 8 Cyl 5.7L
  • 1975-1978 | Sierra Grande | 8 Cyl 6.6L
  • 1976-1978 | Base | 8 Cyl 5.0L
  • 1976-1978 | High Sierra | 8 Cyl 5.0L
  • 1976-1978 | Sierra Classic | 8 Cyl 5.0L
  • 1976-1978 | Sierra Grande | 8 Cyl 5.0L
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GMC K15 Suburban Muffler, Gibson Superflow Muffler - Natural, Aluminized Steel, Universal

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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#: G2755131
  • Brand: Gibson
  • Series: Gibson Superflow
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Universal
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Tip Finish: No Tips
  • Tip Material: No Tips
  • Tip Diameter: No Tips
  • Internal Construction: Baffled and Chambered
  • 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.
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2.25 in.
  • Overall Length: 13 in. (Body)
  • Width: 9 in.
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Lifetime Gibson limited warranty
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Fits the following GMC K15 Suburban Years

  • 1975-1978 | All Submodels | All Engines

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