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The Flowmaster 53070 70 Series Big Block II Muffler is a high-performance exhaust solution engineered to provide superior sound control while enhancing power and fuel efficiency. Designed for heavy-duty applications, this muffler is an ideal choice for truck owners and performance enthusiasts seeking a durable, reliable exhaust upgrade.
Built with Flowmaster's patented Delta Flow technology, the 70 Series Big Block II is specifically designed to manage exhaust resonance and sound levels effectively. The muffler features an enlarged case, which contributes to its ability to improve both horsepower and mileage. Constructed from 16 gauge aluminized steel and fully MIG welded, this muffler offers the structural integrity required to withstand the demands of heavy-duty use. It is a versatile component suitable for trucks, SUVs, RVs, tow vehicles, and performance street cars where space allows for its specific design footprint.
| Feature | Details |
| Brand | Flowmaster |
| Part Number | 53070 |
| SKU | BDXN_53070 |
| Product Type | Exhaust Muffler |
| Material | 16 Gauge Aluminized Steel |
The Flowmaster 53070 70 Series muffler is designed for use on trucks, SUVs, RVs, tow vehicles, and high-performance street cars where space allows. Because vehicle configurations vary, please verify the dimensions and space requirements of your exhaust system before ordering. Contact MyTruckPoint for assistance in confirming compatibility with your specific vehicle model.
The 70 Series Big Block II is a strategic choice for those who need a balance between aggressive performance gains and manageable interior sound levels. Its construction quality, featuring 16 gauge steel and MIG welding, ensures that it can handle the constant vibrations and heat associated with heavy-duty towing and large-displacement engines.
This product requires professional installation to ensure proper alignment and a secure, leak-free seal within your exhaust system. Ensure that your vehicle's exhaust path provides adequate clearance for the enlarged case of the 70 Series muffler. Regular inspections for any signs of corrosion or impact damage are recommended to maintain optimal performance.
Q: Is this muffler suitable for towing applications?
A: Yes, the 70 Series Big Block II is specifically noted for its effectiveness on tow vehicles, SUVs, and RVs.
Q: What material is the 53070 muffler made of?
A: This unit is constructed from 16 gauge aluminized steel for enhanced durability.
Q: Will this fit my specific truck?
A: While it is designed for a variety of trucks and tow vehicles, please contact MyTruckPoint for confirmation regarding your specific vehicle's exhaust system requirements.
Explore our range of exhaust components, clamps, and hangers in the Exhaust System category to complete your installation.
Upgrade your vehicle's exhaust performance today with the Flowmaster 70 Series Big Block II. All items are in stock and ready to ship. Need help confirming if this part is right for your build? Contact MyTruckPoint today for expert compatibility assistance.
If you have any questions or need assistance, please reach out to us at 800.292.4173 or support@mytruckpoint.ca.
When it comes to your truck, compromise is not an option. At MyTruckPoint, we deliver the quality, speed, and trust that professionals across Canada depend on every day.
A decade of proven reliability serving truck owners, fleets, and businesses nationwide. We’ve built our reputation by delivering consistent quality and dependable service.
Over one hundred thousand successful orders — every one backed by accuracy, speed, and customer satisfaction you can count on.
No knock-offs. No compromises. Only genuine parts from top-tier brands, ensuring performance, safety, and long-term value.
Our parts are selected to handle real-world demands — tough jobs, long hauls, and harsh conditions. Because your truck deserves the best.
Premium quality doesn’t have to mean premium prices. We deliver exceptional value so you get more for every dollar spent.
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We stand behind every order. Your satisfaction isn’t optional — it’s our priority.
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We offer price Match plus 10% off the price different
Serving Canadian Since 2015