New Arrivals/Restock

Flowmaster 50 Big Block - 3.00 Dual In / 2.50 Dual Out - Mild Sound 530504

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Until the end
22
31
59

$180.59 cheaper than the new price!!

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New  $300.99
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Product details

Management number 204463664 Release Date 2025/10/22 List Price $120.40 Model Number 204463664
Category
The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUV's, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.


This Part Fits:

Year Make Model Submodel Notes
2003 Chevrolet Silverado 1500 SS 3.00 Inlet 2.50 Outlet
2001 Chevrolet Silverado 1500 HD LS 3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet
2002 Chevrolet Silverado 1500 HD LS 3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet
2003 Chevrolet Silverado 1500 HD LS 3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet
2001 Chevrolet Silverado 1500 HD LT 3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet
2002 Chevrolet Silverado 1500 HD LT 3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet
2003 Chevrolet Silverado 1500 HD LT 3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet,3.00 Inlet 2.50 Outlet
2001 Chevrolet Silverado 2500 HD Base 3.00 Inlet 2.50 Outlet
2001 Chevrolet Silverado 2500 HD Base 3.00 Inlet 2.50 Outlet
2002 Chevrolet Silverado 2500 HD Base 3.00 Inlet 2.50 Outlet
2002 Chevrolet Silverado 2500 HD Base 3.00 Inlet 2.50 Outlet
2003 Chevrolet Silverado 2500 HD Base 3.00 Inlet 2.50 Outlet
2003 Chevrolet Silverado 2500 HD Base 3.00 Inlet 2.50 Outlet
2004 Chevrolet Silverado 2500 HD Base 3.00 Inlet 2.50 Outlet
2004 Chevrolet Silverado 2500 HD Base 3.00 Inlet 2.50 Outlet
2001 Chevrolet Silverado 2500 HD LS 3.00 Inlet 2.50 Outlet
2001 Chevrolet Silverado 2500 HD LS 3.00 Inlet 2.50 Outlet
2002 Chevrolet Silverado 2500 HD LS 3.00 Inlet 2.50 Outlet
2002 Chevrolet Silverado 2500 HD LS 3.00 Inlet 2.50 Outlet
2003 Chevrolet Silverado 2500 HD LS 3.00 Inlet 2.50 Outlet
2003 Chevrolet Silverado 2500 HD LS 3.00 Inlet 2.50 Outlet
2004 Chevrolet Silverado 2500 HD LS 3.00 Inlet 2.50 Outlet
2004 Chevrolet Silverado 2500 HD LS 3.00 Inlet 2.50 Outlet
2001 Chevrolet Silverado 2500 HD LT 3.00 Inlet 2.50 Outlet
2001 Chevrolet Silverado 2500 HD LT 3.00 Inlet 2.50 Outlet
2002 Chevrolet Silverado 2500 HD LT 3.00 Inlet 2.50 Outlet
2002 Chevrolet Silverado 2500 HD LT 3.00 Inlet 2.50 Outlet
2003 Chevrolet Silverado 2500 HD LT 3.00 Inlet 2.50 Outlet
2003 Chevrolet Silverado 2500 HD LT 3.00 Inlet 2.50 Outlet
2004 Chevrolet Silverado 2500 HD LT 3.00 Inlet 2.50 Outlet
2004 Chevrolet Silverado 2500 HD LT 3.00 Inlet 2.50 Outlet
2004 Chevrolet Silverado 2500 HD WT 3.00 Inlet 2.50 Outlet
2004 Chevrolet Silverado 2500 HD WT 3.00 Inlet 2.50 Outlet


Specifications:

614 5.00
615 22.00
621 Aluminized Steel
616 12.00
California Proposition 65 No
1882 No
17 Black
1161 0
Exhaust Tip Quantity Sold Separately
Finish High-Temperature Paint
3390 Performance
617 No
618 No
601 3.00
Inlet Location Dual
1171 3.13
620 2
596 Weld-On
596 Clamp-On
1174 Chambered
622 2.50
Outlet Location Dual
1172 2.63
623 2
598 Dual
8971 28.00
624 No
33 Oval
Sound Level Mild
626 No
3145 Universal
Brand Flowmaster
Category Exhaust
Emission Code 5
Fitment Universal
Inlet Diameter 3.00
Mount Type Uses New Hangers (Not Included)
Muffler Series 50 Series Big Block
Product Type Street Mufflers
Vehicle Type Truck/SUV
9957 Slip-Fit
9958 Slip-Fit
part type Exhaust Muffler
Sub Category Mufflers
Description_INV 3 IN(D)/2.5 OUT(D) 50 SERIES BB
Description_ASC Universal Muffler - Some adaptation may be required.
Description_DES Flowmaster 50 Series Big Block Chambered Muffler
Description_EXT 50 Big Block - 3.00 Dual In / 2.50 Dual Out - Mild Sound
Description_MKT The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUV's, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Description_FAB Improved Horsepower, Torque and Engine Efficiency
Description_FAB Recommended for SUV/trucks/motorhomes/tow vehicles
Description_FAB Minimal interior resonance
Description_FAB Mild to stock exterior exhaust tone

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