Made in USA
70 Series Big Block II Muffler Offset In/Offset Out: 3"
Product Discontinued
FLOWMASTERPART NUMBER: 389-53073

70 Series Big Block II Muffler Offset In/Offset Out: 3"

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.


Offset In/Offset Out
    70 Series Big Block II Muffler
  • Offset In/Offset Out: 3"
  • Aluminized Steel

  • Durable Fully Welded 16ga Aluminized Steel
  • 3 Year Limited Warranty
  • Stock to Mild Exterior Exhaust Tone
  • Minimal Interior Resonance
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Improved HP/TQ and Potential Mileage Improvement
  • Race Proven Patented Delta Flow Technology
  • www.Flowmastermufflers.com

Quiet Operation, Maximum Efficiency

Flowmaster's 70 Series Big Block II Mufflers feature a longer case for increased volume and added sound reduction by utilizing Flowmaster’s patented Delta Flow Technology. The 70 Series offers maximum efficiency and minimum interior resonance, best suited for street cars, trucks, SUV’s, RVs and tow vehicles that require quiet operation with minimum improved sound. These mufflers will still fit many applications where the wider 50 Series Big Block muffler won’t.

Show MoreFeatures:
  • Mild - stock exterior tone.
  • Best suited for quiet operation vehicles.
  • 3-chamber, Delta Flow Technology.
  • Constructed of 16-gauge aluminized steel.
  • Fully MIG-welded.

Part TypeMuffler
Product LineFlowmaster 70 Series Big Block II Mufflers
BrandFLOWMASTER
Package Height5.5
Package Width10.8
Package Length29.0
Weight20.85 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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