NAPA Muffler (NAPA part 21565).

Official NAPA Quiet-Flow SS muffler. Features: 100% structural stainless-steel construction with aluminized pipe/heat shields; OE-style domed and spun-locked heads; louvered tube; internal drainage for corrosion resistance; OE-style routing/hanger positions; limited-lifetime warranty and exclusive 90-day Safe & Sound guarantee. Specs: oval, non-reversible; single inlet/outlet, offset; 2.5 in inlet and 2.25 in outlet; overall length 20.25 in; body 16 x 9 x 7 in.

NAPA Official Product Details

• Quiet-Flow SS Is Available For A Vast Majority Of Top-Selling Domestic & Foreign-Nameplate Applications. In Addition To Quiet-Flow SS’s Renowned Precision Fit, Superior Flow, & OE-Style Sound, These Mufflers Feature 409 Stainless Steel Heads, Shell, Bushings, Louvered Tubes & Partitions. Quiet-Flow SS Mufflers Have A Limited Lifetime Warranty & A 90-Day Safe & Sound® Guarantee.
• Premium Mufflers Offer 100% Stainless Steel Construction, Which Provides 3 Times The Life Expectancy vs A Typical Aluminized Replacement Muffler
• Precisely Engineered, OEM Style Routing & Hanger Positions Ensure The Perfect Fit For Quick & Easy Installation
• Sophisticated Design & OE Style Louvered Tube Technology That Lowers The Noise Level, For A Premium, OE Style Sound
• Engineered w/ A Complete Internal Drainage System Design, That Helps To Prevent Condensate Acids From Collecting Between Partitions Or At The Muffler Heads, Ensuring Longer Service Life
• 100% Structural Stainless Steel Construction.
• 3X The Life Expectancy Vs. Typical Aluminized Mufflers
• OE-Style Louvered Tube Technology Lowers Noise Level For Premium OE-Style Sound Compared To Straight Performance Tubes
• Precise OE-Style Routing & Hanger Positions For Quick & Easy Installation
• Comprehensive Internal Drainage System For Corrosion Resistance
• OE-Style Domed Heads Help Reduce Radiated Noise Compared To Flat Heads. Spun-Locked Heads To Help Prevent Rupture
• Limited Lifetime Warranty & Exclusive 90-Day Safe & Sound Guarantee.