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3.0in to 2.5in Reducers (Pair)

Collector Reducer - 3 In Inlet To 2-1/2 In Outlet - 3-BOLT Flange - Hardware Included - Steel - Kit
FLOWTECH | Part# FLT-10004 More Details...

$31.00

Ball Flange Header Collector Kit 3IN to

Collector Reducer - Female / Male - 3 In Inlet To 2-1/2 In Outlet - 2-BOLT Ball Flange - Steel - Natural - Kit
FLOWMASTER | Part# FLO-15925 More Details...

$177.95

Header Flange Kit - SBC 5/16 Thick

Header Flange - 5/16 In Thick - 1.5 X 1.79 In Rectangle Port - Steel - Small Block Chevy - Pair
PATRIOT EXHAUST | Part# PEP-H7894 More Details...

$69.95

Header Flange Kit - BBC 3/8 Thick

Header Flange - 3/8 In Thick - 2.03 In Square Port - Steel - Big Block Chevy - Pair
PATRIOT EXHAUST | Part# PEP-H7899 More Details...

$69.95

SBF Flange Only

Header Flange - 1/4 In Thick - 1.64 X 1.71 In Square Port - Steel - Small Block Ford - Each
SCHOENFELD | Part# SCH-0312 More Details...

$35.99

BBC Header Flange Kit 2-1/8 Round Port

BBC Header Flange Kit 2-1/8 Round Port
PATRIOT EXHAUST | Part# PEP-H7886 More Details...

$84.95

Ball Flange Header Collector Kit 2.5 to

Collector Reducer - Female / Male - 2-1/2 In Inlet To 2-1/2 In Outlet - 2-BOLT Ball Flange - Steel - Natural - Kit
FLOWMASTER | Part# FLO-15938 More Details...

$178.95

2.5in Ball & Socket Connector W/CLAMP

Collector Reducer - Female / Male - 2-1/2 Inlet To 2-1/2 OD Outlet - Clamp Ball And Socket Flange - Stainless - Nat...
PYPES PERFORMANCE EXHAUST | Part# PYP-PVA14 More Details...

$57.75

SBC Adapter Kit

Header Flange Adapter - 5/16 In Thick - 1-1/4 In Round Port - Aluminum - Small Block Chevy To Stahl Pattern - Pair
SCHOENFELD | Part# SCH-0101K More Details...

$174.99

Ball Flange Header Collector Kit 3.0 to

Collector Reducer - Female / Male - 3 In Inlet To 3 In Outlet - 2-BOLT Ball Flange - Steel - Natural - Kit
FLOWMASTER | Part# FLO-15930 More Details...

$178.95