70 Series Big Block II Muffler
As an important part of our ever expanding lineup of durable, stainless high
performance exhaust products, Flowmaster proudly introduces the 70 Series Big
Block II mufflers in 409S stainless steel. Manufactured entirely in the USA, these five
most-popular part numbers offer a mild to moderate sound level, making them ideal
for vehicles used for towing, long distance driving, or any time a mild exhaust note is
desired. The patented Delta Flow technology inside provides all the performance
benefits you expect from Flowmaster, and the limited lifetime warranty assures that
performance will last a lifetime.
• Stainless Steel Construction
• Patented Delta Flow Technology
• Mild/Moderate Performance Tone
• Limited Lifetime Warranty
• Dyno Tuned For Maximum Performance
853070 3.00" In (C)/Out (C) 700042-02549-7 5.00" x 22.00" x 10.00"
21.50 lbs
853071 3.00" In (O)/Out (C) 700042-02550-3 5.00" x 22.00" x 10.00"
21.50 lbs
853072 3.00" In (C)/Out (O) 700042-02551-0 5.00" x 22.00" x 10.00"
21.50 lbs
853073 3.00" In (O)/Out (O) 700042-02552-7 5.00" x 22.00" x 10.00"
21.50 lbs
8530702 3.00" In (C)/2.50 Out (D) 700042-02553-4 5.00" x 22.00" x
10.00" 21.75 lbs