SoundMaster Muffler (NAPA part 18949).

Official features: aluminized steel construction for corrosion resistance/durability; spun-locked heads resist rupture from backfires; tube-and-partition interior; mechanical interior joints; direct-fit/universal styles available. Specs: oval steel muffler; overall length 32.5 in; body 14 x 9 x 7 in; 2.25 in outlet, offset outlet/inlet; premium grade; 90-day workmanship/material warranty.

NAPA Official Product Details

NAPA warranty: Warrantied to be free of defects in workmanship and materials within NINETY DAYS (90) from date of purchase. This warranty is not transferable.

• Mechanical Interior Joints For Durability
• Available w/ Reinforced Bracketed Heads
• Soundmaster Mufflers Are Engineered w/ 100% Aluminized Steel For Longer Service Life Compared To Low Carbon Steel. These Mufflers Have Mechanical Interior Joints For Durability, & Spun-Locked Heads For Resistance To Rupture From Backfires.
• Soundmaster Mufflers Are Available In Direct Fit & Universal Styles, Both w/ Quality Appearance & Favorable Acoustics.
• Aluminized Steel Construction For Corrosion Resistance & Durability.
• Spun-Locked Heads For Rupture Resistance
• Tube-And-Partition Style Interior Design
• Mechanical Interior Joints For Durability
• Available w/ Reinforced Bracketed Heads