Skip to content
Enhance performance with improved sound control and efficiency.
The Flowmaster Exhaust Muffler 70 Series Big Block II is engineered to optimize engine performance while providing a refined exhaust tone. Utilizing Flowmaster's Delta Flow technology, this muffler features an enlarged case that minimizes interior resonance and enhances horsepower, torque, and overall engine efficiency. Constructed from durable 16 gauge aluminized steel and fully MIG welded, it ensures longevity and reliability under various driving conditions.
Designed for versatility, this muffler is suitable for trucks, SUVs, RVs, and high-performance street cars where space permits. The single 3 inch center inlet and dual 2-1/2 inch outlets facilitate efficient exhaust flow, contributing to improved mileage and power gains. With a case size of 10 inches in width and 5 inches in height, it fits seamlessly into vehicle-specific exhaust systems, although modifications may be necessary for installation.
The Flowmaster 70 Series muffler delivers a mild to stock exterior exhaust tone, making it an excellent choice for those seeking performance without excessive noise. Its oval shape and gray painted finish add to its aesthetic appeal while maintaining functionality. This product is designed for easy installation, with an estimated install time of one hour, making it a practical addition to any vehicle's exhaust system.
Features
- Improved Horsepower, Torque And Engine Efficiency
- Minimal Interior Resonance
- Mild To Stock Exterior Exhaust Tone
- Recommended For SUV, Trucks, Motorhomes And Tow Vehicles
Specifications
- Manufacturer: Flowmaster
- Manufacturer Part Number: 530702
- Shape: Oval
- Inlet Position: Center Single
- Inlet Diameter (IN): 3 Inch
- Outlet Position: Offset Dual
- Outlet Diameter (IN): 2-1/2 Inch
- Universality: Vehicle Specific
- Estimated Install Time (Hours): 1
- Case Diameter (IN): 10 Inch X 5 Inch
- Case Length (IN): 22 Inch
- Overall Length (IN): 28 Inch
- Color/ Finish: Gray Painted
- Material: Steel
- Wall Type: Single Wall
- Includes Tip: Without Tip
- Tip Length (IN): Without Tip
- Tip Diameter (IN): Without Tip
- Tip Finish: Without Tip
- Tip Material: Without Tip
Compatibility / Fit
- 1990-1993 Chevrolet C1500
- 1988-1992 Chevrolet C2500
- 1988-1992 GMC K2500
Technical Documents
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
