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4.7 stars - (28 Reviews)
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The 70 Series Big Block II Muffler boasts a three-chamber design, which incorporates a longer case for increased volume inside the muffler and lower sound levels both outside the vehicle and inside the cabin. This muffler employs a technology that reduces interior resonance and increased efficiency, and is aimed for use on trucks, SUV's, motor homes, tow vehicles, and high performance street cars that necessitate a quieter tone. The case is two-inches narrower than Flowmaster's original Big Block muffler, making for easier installation in tight applications. The Flowmaster 70 Series offers a mild mellow exhaust tone and incorporates a Resonant Tuning Chamber for reduced interior sound levels. This is one of Flowmaster's mildest mufflers that fits on a wide variety of applications, and if you can fit it on your vehicle, it's one of the most attractive choices in today's muffler marketplace. With wear, even the most solid cars and trucks must have routine servicing or replacement of broken parts. When it turns out you want to buy car parts, the smart strategy is to locate only top-notch OEM and aftermarket parts you can find - and at partsgeek.com you find the most reasonable prices around, and our the very best in service. In the event that your car needs work, the correct answer is a well-rated OEM or replacement component to restore your car in like-new condition.


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(Read reviews)
Our List Price: $156.70
with FREE Shipping
(7) In Stock
Product SKU: 52571
Product Note: 70 Series(TM) Big Block II; 2.5 in. Offset Inlet / Center Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Stock to Mild Exterior Exhaust Tone
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle
• 1981 (81) Dodge D350


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(Read reviews)
Our List Price: $156.70
with FREE Shipping
(10) In Stock
Product SKU: 53072
Product Note: 70 Series(TM) Big Block II; 3.0 in. Center Inlet / Offset Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Stock to Mild Exterior Exhaust Tone
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle
• 2007 (07) Chevrolet Tahoe


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Flowmaster 52573
Muffler
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Our List Price: $156.70
with FREE Shipping
(6) In Stock
Product SKU: 52573
Product Note: 70 Series(TM) Big Block II; 2.5 in. Offset Inlet / Opposite Side Offset Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Stock to Mild Exterior Exhaust Tone
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Engine
• 1997 (97) Dodge Dakota 3.9L V6 


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(Read reviews)
Our List Price: $156.70
with FREE Shipping
(12) In Stock
Product SKU: 524703
Product Note: 70 Series(TM) Big Block II; 2.25 in. Dual Inlet / 3 in. Center Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
Detailed Note: Adapters Needed For OEM Exhaust
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Stock to Mild Exterior Exhaust Tone
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Engine
• 1998 (98) Chevrolet K1500 5.7L V8 


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(Read reviews)
Our List Price: $156.70
with FREE Shipping
(10) In Stock
Product SKU: 53072
Product Note: 70 Series(TM) Big Block II; 3.0 in. Center Inlet / Offset Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Stock to Mild Exterior Exhaust Tone
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Sub Model Engine
• 2011 (11) Chevrolet Silverado 1500 LS  5.3L V8 


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(Read reviews)
Our List Price: $156.70
with FREE Shipping
(12) In Stock
Product SKU: 524703
Product Note: 70 Series(TM) Big Block II; 2.25 in. Dual Inlet / 3 in. Center Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
Detailed Note: Adapters Needed For OEM Exhaust
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Stock to Mild Exterior Exhaust Tone
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Engine
• 1999 (99) Chevrolet K2500 5.7L V8 


Click to Enlarge

Click to Enlarge
(Read reviews)
Our List Price: $156.70
with FREE Shipping
(10) In Stock
Product SKU: 53072
Product Note: 70 Series(TM) Big Block II; 3.0 in. Center Inlet / Offset Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Stock to Mild Exterior Exhaust Tone
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Sub Model Engine
• 2011 (11) GMC Sierra 1500 SL  5.3L V8 


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Flowmaster 52573
Muffler
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Our List Price: $156.70
with FREE Shipping
(6) In Stock
Product SKU: 52573
Product Note: 70 Series(TM) Big Block II; 2.5 in. Offset Inlet / Opposite Side Offset Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Stock to Mild Exterior Exhaust Tone
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Sub Model Engine
• 2004 (04) Dodge Dakota SLT  4.7L V8 


Click to Enlarge

Click to Enlarge
Flowmaster 52573
Muffler
Close
Loading Reviews...
Our List Price: $156.70
with FREE Shipping
(6) In Stock
Product SKU: 52573
Product Note: 70 Series(TM) Big Block II; 2.5 in. Offset Inlet / Opposite Side Offset Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Stock to Mild Exterior Exhaust Tone
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle
• 2004 (04) Ford F150


Click to Enlarge

Click to Enlarge
Flowmaster 52573
Muffler
Close
Loading Reviews...
Our List Price: $156.70
with FREE Shipping
(6) In Stock
Product SKU: 52573
Product Note: 70 Series(TM) Big Block II; 2.5 in. Offset Inlet / Opposite Side Offset Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Stock to Mild Exterior Exhaust Tone
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Sub Model Engine
• 2008 (08) Ford F150 FX2  4.6L V8 


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Some of our Customer Reviews
Very Satisfied
Reviewer: ninerstowin

6/1/10 03:59 AM

Excellent Communication/Shipping

Order Date | 5/23/10

Very Satisfied
Reviewer: rukidnme

5/1/09 08:43 AM

Found what I needed, order arrived in 2 days and the price was good- what more can you ask for.

Order Date | 4/20/09


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