Home Warranty Contact Us Help
Home AboutUs Dealer Locator Login
Mufflers Accessories Kits Race New Products
70 Series Big Block II
 
   
The 70 Series Big Block II is designed using a large Flowmaster case for maximum volume and efficiency. The case is two inches narrower than Flowmaster's original Big Block Muffler, making for easier installation in tight applications. The 70 Series offers a mild mellow exhaust tone and incorporates a Resonant Tuning Chamber for reduced interior sound levels.
Application Recommendations:
  • High Performance applications
  • Late model trucks
  • Tow vehicles and RVs
  • Vehicles with dual exhaust
  70 Series Big Block II 5" X 10" X 22 " - 28" Overall Length  

IN/OUT
PRODUCT #
2.50"
3.00"

IN/OUT
PRODUCT #
2.50"
3.00"

IN/OUT
PRODUCT #
2.50"
3.00"

IN/OUT
PRODUCT #
2.50"
3.00"

IN/OUT
PRODUCT #
2.50"
3.00"


  70 Series Big Block II 5" X 10 " X 22 " - 28" Overall Length  

IN/OUT
PRODUCT #
2.25"X2/3.00"

IN/OUT
PRODUCT #
2.25"X2/2.25"X2


  70 Series Big Block II 5" X 10 " X 22 " - 28" Overall Length  

IN/OUT
PRODUCT #
3.00"/2.25"X2

IN/OUT
PRODUCT #
3.00"/2.50"X2

IN/OUT
PRODUCT #
3.00"/2.50"X2