7 V8 1959 - 1967 Chevrolet Impala 283/4
4 V8 1964 - 1965 Ford Custom 500 289/4
00-inch mandrel-bent aluminized steel inlet pipe flowing into a 70 Series Big Block II™ performance muffler for a deep mellow tone
3 L6 1961 Chevrolet Suburban 348/5
2007 GMC Sierra 2500 HD Classic
Fits 1958-64 Chevrolet Biscayne Straight Through Muffler-Stainless SM11224-JHPR u-pipe 7 V8 1959 - 1967Street Max, Stainless Straight Through Performance Muffler, 4. 0" x 9. 0" x 14. 0" Oval Body, Aggressive to Moderate Tone, 16 Gauge 409 Grade Stainless Steel, Satin Finish, 2. 0" Offset In, 2. 0" Center Out, Reversible, 3 Year Limited Warranty. Features: Straight Through Design (fully reversible) Improved Horsepower and Torque 409 Grade 16 Gauge Stainless Steel Construction High Heat Thermal Mesh Effective Drone Reduction Aggressive Moderate Tone