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DC Sports Cat-Back Exhaust Systems for 2015-2021 WRX, WRX STI - SCS4305BT
Part Number: DCS-SCS4305BT
DC Sports Cat-Back Exhaust Systems
DC Sports Catback Single Canister Exhaust Burnt (15-21 Subaru WRX/STI)
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Estimated Ship Date: Jun 1, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SCS4305BT
Part Type:
Product Line:
Summit Racing Part Number:
DCS-SCS4305BT
UPC:
757558403356
System Material:
304 stainless steel
System Style:
Cat-back
Exhaust Type:
Single
Exit Location:
Rear
System Finish:
Natural
Catalytic Converter(s) Included:
No
Intermediate Pipe Diameter (in.):
3.00 in.
Muffler Included:
Yes
Muffler Quantity:
One
Muffler Configuration:
Single inlet/Single outlet
Muffler Material:
304 stainless steel
Muffler Color:
Polished
Hardware Included:
Yes
Tailpipe Diameter (in.):
3.00 in.
Tip Included:
Yes
Tip Outlet Size (in.):
4.50
Tip Quantity:
1
Tip Shape:
Round
Tip Cut:
Straight
Tip Edge Style:
Non-rolled edge, single-wall
Tip Material:
304 stainless steel
Tip Color:
Burnt
Remanufactured:
No
Quantity:
Sold as a kit.
Special Attention:
It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.
DC Sports Cat-Back Exhaust Systems
DC Sports cat-back exhaust systems were engineered from the get-go with a few strict parameters in mind. Power is made by using mandrel-bent, stainless steel tubing with a straight-through design. They meet the federal requirements for noise emissions, but still create a nice, sporty exhaust note. This is accomplished by using a resonator before the exhaust, and a straight-through muffler packed with stainless steel wool and fiberglass. These exhaust systems are made of durable, polished stainless steel in a variety of vehicle-specific configurations.
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Some parts are not legal for use in California or other states with similar laws / regulations
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