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  • Flowmaster Super 50 - 2.50 Center In / 2.25 Dual Out - Mild Sound 525552 fits 1981-1986 Chevrolet K10 Custom / 1987 Chevrolet R10 Custom Deluxe / 1987 Chevrolet R10 Suburban Custom Deluxe / 1981-1986 GMC C1500 / 1981-1986 GMC K1500 / 1987 GMC R1500
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Flowmaster Super 50 - 2.50 Center In / 2.25 Dual Out - Mild Sound 525552 fits 1981-1986 Chevrolet K10 Custom / 1987 Chevrolet R10 Custom Deluxe / 1987 Chevrolet R10 Suburban Custom Deluxe / 1981-1986 GMC C1500 / 1981-1986 GMC K1500 / 1987 GMC R1500

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

Flowmaster
525552
In stock
$224.95 USD $200.99 USD
$200.99 USD
Flowmaster Super 50 - 2.50 Center In / 2.25 Dual Out - Mild Sound 525552 fits 1981-1986 Chevrolet K10 Custom / 1987 Chevrolet R10 Custom Deluxe / 1987 Chevrolet R10 Suburban Custom Deluxe / 1981-1986 GMC C1500 / 1981-1986 GMC K1500 / 1987 GMC R1500
Description
The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow® muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.


This Part Fits:

Year Make Model Submodel Notes
1981 Chevrolet K10 Custom
1981 Chevrolet K10 Custom
1982 Chevrolet K10 Custom
1982 Chevrolet K10 Custom
1983 Chevrolet K10 Custom
1983 Chevrolet K10 Custom
1984 Chevrolet K10 Custom
1984 Chevrolet K10 Custom
1985 Chevrolet K10 Custom
1985 Chevrolet K10 Custom
1985 Chevrolet K10 Custom
1986 Chevrolet K10 Custom
1986 Chevrolet K10 Custom
1986 Chevrolet K10 Custom
1981 Chevrolet K10 Deluxe
1981 Chevrolet K10 Deluxe
1982 Chevrolet K10 Scottsdale
1982 Chevrolet K10 Scottsdale
1984 Chevrolet K10 Scottsdale
1984 Chevrolet K10 Scottsdale
1985 Chevrolet K10 Scottsdale
1985 Chevrolet K10 Scottsdale
1985 Chevrolet K10 Scottsdale
1986 Chevrolet K10 Scottsdale
1986 Chevrolet K10 Scottsdale
1986 Chevrolet K10 Scottsdale
1982 Chevrolet K10 Silverado
1982 Chevrolet K10 Silverado
1983 Chevrolet K10 Silverado
1983 Chevrolet K10 Silverado
1985 Chevrolet K10 Silverado
1985 Chevrolet K10 Silverado
1985 Chevrolet K10 Silverado
1986 Chevrolet K10 Silverado
1986 Chevrolet K10 Silverado
1986 Chevrolet K10 Silverado
1987 Chevrolet R10 Custom Deluxe
1987 Chevrolet R10 Custom Deluxe
1987 Chevrolet R10 Custom Deluxe
1987 Chevrolet R10 Scottsdale
1987 Chevrolet R10 Scottsdale
1987 Chevrolet R10 Scottsdale
1987 Chevrolet R10 Silverado
1987 Chevrolet R10 Silverado
1987 Chevrolet R10 Silverado
1987 Chevrolet R10 Suburban Custom Deluxe
1987 Chevrolet R10 Suburban Custom Deluxe
1987 Chevrolet R10 Suburban Scottsdale
1987 Chevrolet R10 Suburban Scottsdale
1987 Chevrolet R10 Suburban Silverado
1987 Chevrolet R10 Suburban Silverado
1981 GMC C1500 Base
1981 GMC C1500 Base
1982 GMC C1500 Base
1982 GMC C1500 Base
1983 GMC C1500 Base
1983 GMC C1500 Base
1984 GMC C1500 Base
1984 GMC C1500 Base
1985 GMC C1500 Base
1985 GMC C1500 Base
1985 GMC C1500 Base
1986 GMC C1500 Base
1986 GMC C1500 Base
1986 GMC C1500 Base
1981 GMC C1500 High Sierra
1981 GMC C1500 High Sierra
1982 GMC C1500 High Sierra
1982 GMC C1500 High Sierra
1983 GMC C1500 High Sierra
1983 GMC C1500 High Sierra
1984 GMC C1500 High Sierra
1984 GMC C1500 High Sierra
1985 GMC C1500 High Sierra
1985 GMC C1500 High Sierra
1985 GMC C1500 High Sierra
1986 GMC C1500 High Sierra
1986 GMC C1500 High Sierra
1986 GMC C1500 High Sierra
1981 GMC C1500 Sierra Classic
1981 GMC C1500 Sierra Classic
1982 GMC C1500 Sierra Classic
1982 GMC C1500 Sierra Classic
1983 GMC C1500 Sierra Classic
1983 GMC C1500 Sierra Classic
1984 GMC C1500 Sierra Classic
1984 GMC C1500 Sierra Classic
1985 GMC C1500 Sierra Classic
1985 GMC C1500 Sierra Classic
1985 GMC C1500 Sierra Classic
1986 GMC C1500 Sierra Classic
1986 GMC C1500 Sierra Classic
1986 GMC C1500 Sierra Classic
1981 GMC C1500 Sierra Grande
1981 GMC C1500 Sierra Grande
1982 GMC C1500 Sierra Grande
1982 GMC C1500 Sierra Grande
1981 GMC C1500 Street Coupe
1981 GMC C1500 Street Coupe
1982 GMC C1500 Street Coupe
1982 GMC C1500 Street Coupe
1981 GMC K1500 Base
1981 GMC K1500 Base
1982 GMC K1500 Base
1982 GMC K1500 Base
1983 GMC K1500 Base
1983 GMC K1500 Base
1984 GMC K1500 Base
1984 GMC K1500 Base
1985 GMC K1500 Base
1985 GMC K1500 Base
1985 GMC K1500 Base
1986 GMC K1500 Base
1986 GMC K1500 Base
1986 GMC K1500 Base
1981 GMC K1500 High Sierra
1981 GMC K1500 High Sierra
1982 GMC K1500 High Sierra
1982 GMC K1500 High Sierra
1983 GMC K1500 High Sierra
1983 GMC K1500 High Sierra
1984 GMC K1500 High Sierra
1984 GMC K1500 High Sierra
1985 GMC K1500 High Sierra
1985 GMC K1500 High Sierra
1985 GMC K1500 High Sierra
1986 GMC K1500 High Sierra
1986 GMC K1500 High Sierra
1986 GMC K1500 High Sierra
1981 GMC K1500 Sierra Classic
1981 GMC K1500 Sierra Classic
1982 GMC K1500 Sierra Classic
1982 GMC K1500 Sierra Classic
1983 GMC K1500 Sierra Classic
1983 GMC K1500 Sierra Classic
1984 GMC K1500 Sierra Classic
1984 GMC K1500 Sierra Classic
1985 GMC K1500 Sierra Classic
1985 GMC K1500 Sierra Classic
1985 GMC K1500 Sierra Classic
1986 GMC K1500 Sierra Classic
1986 GMC K1500 Sierra Classic
1986 GMC K1500 Sierra Classic
1987 GMC R1500 Base
1987 GMC R1500 Base
1987 GMC R1500 Base
1987 GMC R1500 Base
1987 GMC R1500 High Sierra
1987 GMC R1500 High Sierra
1987 GMC R1500 High Sierra
1987 GMC R1500 Sierra Classic
1987 GMC R1500 Sierra Classic
1987 GMC R1500 Sierra Classic


Specifications:

614 5.00
614 5.00
615 17.00
615 17.00
621 Aluminized Steel
621 Aluminized Steel
616 10.00
616 10.00
California Proposition 65 No
California Proposition 65 No
1882 No
1882 No
17 Black
17 Black
1161 0
1161 0
Exhaust Tip Quantity Sold Separately
Exhaust Tip Quantity Sold Separately
Finish High-Temperature Paint
Finish High-Temperature Paint
3390 Performance
3390 Performance
617 No
617 No
618 No
618 No
601 2.50
601 2.50
619 Center
619 Center
1171 2.63
1171 2.63
620 1
620 1
596 Weld-On
596 Weld-On
596 Clamp-On
596 Clamp-On
1174 Chambered
1174 Chambered
622 2.25
622 2.25
Outlet Location Dual
Outlet Location Dual
1172 2.38
1172 2.38
623 2
623 2
598 Dual
598 Dual
8971 23.00
8971 23.00
624 No
624 No
33 Oval
33 Oval
Sound Level Mild
Sound Level Mild
626 No
626 No
3145 Universal
3145 Universal
Brand Flowmaster
Brand Flowmaster
Category Exhaust
Category Exhaust
Emission Code 5
Emission Code 5
Fitment Universal
Fitment Universal
Inlet Diameter 2.50
Inlet Diameter 2.50
Mount Type Uses New Hangers (Not Included)
Mount Type Uses New Hangers (Not Included)
Muffler Series Super 50 Series
Muffler Series Super 50 Series
Outlet Dual
Outlet Dual
Product Type Street Mufflers
Product Type Street Mufflers
Vehicle Type Street Rod
Vehicle Type Street Rod
Vehicle Type Classic Muscle Car
Vehicle Type Classic Muscle Car
Vehicle Type Street/Strip
Vehicle Type Street/Strip
Vehicle Type Truck/SUV
Vehicle Type Truck/SUV
Vehicle Type Late Model Muscle Car
Vehicle Type Late Model Muscle Car
Vehicle Type 4/6 CYL Engine
Vehicle Type 4/6 CYL Engine
9957 Slip-Fit
9957 Slip-Fit
9958 Slip-Fit
9958 Slip-Fit
part type Exhaust Muffler
part type Exhaust Muffler
Sub Category Mufflers
Sub Category Mufflers
Description_ABR MUFF 2.50IN
Description_SHO FM50SRS CEN/DUAL 2.5
Description_INV 2.5 IN(C)/OUT(D) 50 SERIES SUV/PF
Description_ASC Universal Muffler - Some adaptation may be required.
Description_DES Flowmaster Super 50 Series Chambered Muffler
Description_EXT Super 50 - 2.50 Center In / 2.25 Dual Out - Mild Sound
Description_MKT The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow® muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Description_FAB Minimal interior resonance
Description_FAB Mild to stock exterior exhaust tone
Description_FAB Excellent choice for large displacement vehicles
Description_FAB Improved Horsepower, Torque and Engine Efficiency
Description_ABR MUFF 2.50IN
Description_SHO FM50SRS CEN/DUAL 2.5
Description_INV 2.5 IN(C)/OUT(D) 50 SERIES SUV/PF
Description_ASC Universal Muffler - Some adaptation may be required.
Description_DES Flowmaster Super 50 Series Chambered Muffler
Description_EXT Super 50 - 2.50 Center In / 2.25 Dual Out - Mild Sound
Description_MKT The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow® muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Description_FAB Minimal interior resonance
Description_FAB Mild to stock exterior exhaust tone
Description_FAB Excellent choice for large displacement vehicles
Description_FAB Improved Horsepower, Torque and Engine Efficiency
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