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GMC K35 Muffler

We have 2 Items In-stock. Select a year to continue.
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GMC K35 Muffler, Walker SoundFX Muffler - Natural, Aluminized Steel, Direct Fit new

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$35.14 $41.47 You Save $6.33 (15%)
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Availability: In Stock
Only from APW Rewards

WALKER – SOUNDFX MUFFLERS

Shape your exhaust tone just right with the aluminized tube-and-partition structure of Walker’s SoundFX mufflers. Established in 1908, Walker is renowned in the automotive aftermarket for manufacturing a full line of exhaust system parts.

  • Engineered with tube-and-partition structure
  • Manufactured with rust-resistant, aluminized steel
  • Heads are firmly spun-locked to protect against breakage
  • Built for OE-quality function and sound
  • Spot-welded bushings and internal mechanical joints increase stability
  • Quick and simple to install
  • Brand SKU#: Walker 17880
  • Series: Walker SoundFX
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Attachment Style: Clamp-On
  • Body Length: 18 in.
  • Case Shape: Oval
  • Height: 4.25 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Internal Construction: Perforated
  • Notes: Modifications and/or additional parts required
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2 in.
  • Overall Length: 25.75 in.
  • Warranty: Lifetime Walker limited warranty
  • Width: 8.813 in.
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Fits the following GMC K35 Years

  • 1977-1978 | Base | 8 Cyl 5.7L
  • 1977-1978 | High Sierra | 8 Cyl 5.7L
  • 1977-1978 | Sierra Classic | 8 Cyl 5.7L
  • 1977-1978 | Sierra Grande | 8 Cyl 5.7L
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GMC K35 Muffler, Gibson Superflow Muffler - Natural, Aluminized Steel, Direct Fit

$112.78 $152.87 You Save $40.09 (26%)
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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 Years

  • 1977-1978 | All Submodels | All Engines

GMC K35 Muffler, Walker SoundFX Muffler - Natural, Aluminized Steel, Minor Modifications

$49.52 $68.14 You Save $18.62 (27%)
Add to Cart
Availability: In Stock
Only from APW Rewards

WALKER – SOUNDFX MUFFLERS

Shape your exhaust tone just right with the aluminized tube-and-partition structure of Walker’s SoundFX mufflers. Established in 1908, Walker is renowned in the automotive aftermarket for manufacturing a full line of exhaust system parts.

  • Engineered with tube-and-partition structure
  • Manufactured with rust-resistant, aluminized steel
  • Heads are firmly spun-locked to protect against breakage
  • Built for OE-quality function and sound
  • Spot-welded bushings and internal mechanical joints increase stability
  • Quick and simple to install
  • Brand SKU#: Walker 17845
  • Series: Walker SoundFX
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • 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.
  • Internal Construction: Perforated
  • Notes: Modifications and/or additional parts required
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2.25 in.
  • Overall Length: 26.5 in.
  • Warranty: 90-day Walker limited warranty
  • Width: 9.75 in.
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Fits the following GMC K35 Years

  • 1977-1978 | Base | 8 Cyl 5.7L
  • 1977-1978 | High Sierra | 8 Cyl 5.7L
  • 1977-1978 | Sierra Classic | 8 Cyl 5.7L
  • 1977-1978 | Sierra Grande | 8 Cyl 5.7L
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GMC K35 Muffler, Walker Tru Fit Muffler - Natural, Aluminized Steel, Direct Fit

$56.86 $73.82 You Save $16.96 (23%)
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Availability: In Stock
Only from APW Rewards

WALKER – TRU-FIT MUFFLERS

Adaptable and affordable, Walker’s Tru-Fit mufflers are solidly designed for ideal exhaust flow and tone, providing your exhaust system with the right fit at the right price. Established in 1908, Walker is renowned in the automotive aftermarket for manufacturing a full line of exhaust system parts.

  • Tube-and-partition layout built for ideal exhaust flow
  • Solidly manufactured with aluminized steel
  • Heads are tightly spun-locked to protect against breakage
  • Direct fit with minimal adaptation
  • Equipped with sturdy internal mechanical joints
  • Brand SKU#: Walker 18124
  • Series: Walker Tru Fit
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
See more

Fits the following GMC K35 Years

  • 1977-1978 | Base | 8 Cyl 5.7L
  • 1977-1978 | High Sierra | 8 Cyl 5.7L
  • 1977-1978 | Sierra Classic | 8 Cyl 5.7L
  • 1977-1978 | Sierra Grande | 8 Cyl 5.7L
See more

GMC K35 Muffler, Walker SoundFX Muffler - Natural, Aluminized Steel, Direct Fit

$43.17 $74.12 You Save $30.95 (42%)
Add to Cart
Availability: In Stock
Only from APW Rewards

WALKER – SOUNDFX MUFFLERS

Shape your exhaust tone just right with the aluminized tube-and-partition structure of Walker’s SoundFX mufflers. Established in 1908, Walker is renowned in the automotive aftermarket for manufacturing a full line of exhaust system parts.

  • Engineered with tube-and-partition structure
  • Manufactured with rust-resistant, aluminized steel
  • Heads are firmly spun-locked to protect against breakage
  • Built for OE-quality function and sound
  • Spot-welded bushings and internal mechanical joints increase stability
  • Quick and simple to install
  • Brand SKU#: Walker 18274
  • Series: Walker SoundFX
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
See more

Fits the following GMC K35 Years

  • 1977-1978 | Base | 8 Cyl 5.7L
  • 1977-1978 | High Sierra | 8 Cyl 5.7L
  • 1977-1978 | Sierra Classic | 8 Cyl 5.7L
  • 1977-1978 | Sierra Grande | 8 Cyl 5.7L
See more

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