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Aluminum and Stainless Steel Headers

Headers for use with canister and tuned pipe exhaust systems

 Price listed is for a pair of 3W Headers

Straight Headers

Part #
Description
Price
 
HDR55iS
Fits 3W-38i, 42i, 50i, 55i, 55xi when engine mounted side ways
Drop 2.75”, Run 5.31”
$55.00
HDR75iS
Fits 3W-60i, 70i, 75i, 80xi, 85xi when engine mounted sideways
Drop 3.50”, Run 5.75”
$55.00
HDR56
Fits 3W 24i, 28i, 48B2, 56B2
Drop: 1.50"Run: 5.50"Dia: 0.875" / 22mm
$118.00
HDR56X
Cross Over Headers, Fit 3W 48B2, 56Bi2
Drop: 2.50"Run: 5.50"Dia: 0.875" / 22mm
$125.00
HDR75iS
Fits 3W 60i, 70i, 75, 80i, 85xi when mounted sideways
Drop: 3.5 "Run: 5.5" - 25mm (1.0”) OD
$65.00
HDR100
Fits 3W 78B2, 85B2, 100iB2, 106iB2, 110iB2
Drop: 2.875"Run: 6.25"Dia: 1.00" / 25mm
$138.00
HDR100D
Fits 3W 78B2, 85B2, 100iB2, 106iB2, 110iB2
Deeper Drop for 3W 36% Extra 330S
Drop: 3.50 "Run: 6.25"Dia: 1.00" / 25mm
$138.00
HDR150
Fits 3W 120, 140, 150, 157, 170
Drop: 3.75"Run: 4.00"Dia: 1.00" / 25mm
$138.00
HDRLLV150
Fits 3W 120, 140, 150, 157, 170
Shallow Drop - Longer Run
for 3W Votec 322 and Yak with LLV Canisters
Drop: 2.25"Run: 6.25"Dia: 1.00" / 25mm
$138.00
HDR200
Fits 3W 200iB2F
Drop: 4.00"Run: 5.50"Dia: 1.125" / 28mm
$148.00
HDR275
Fits 3W 200iB2F, 210xiB2, 240iB2, 275iB2
Drop: 3.50"Run: 6.00"Dia: 1.188" / 30mm
$168.00
HDR275D
Fits 3W 200iB2F, 210xiB2, 240iB2, 275iB2
Deeper Drop for Hempel 50% Edge
Drop: 4.75"Run: 6.00"Dia: 1.188" / 30mm
$168.00
HDR342
Fits 3W 342iB2
Drop: 3.25"Run: 7.00"Dia: 1.375" / 35mm
$259.00

Double Bend Headers
Used in applications where there is a lack of space or scale appearance must be maintained. Great for single cylinder motor installation in a narrow fuselage pattern plane or warbird.

Part #
Description
Price
 
DBH-28i
Fits 3W 24i, 28i - Aluminum
Drop: - 2.50"Run: 5.70"Dia: 0.875" / 22mm
$87.00
DBH-55i
Fits 3W 38i, 42i, 50i, 55i - Stainless Steel
Drop: - 2.75"Run: 5.75"Dia: 1.00" / 25mm
$87.00
DBH-55iUS
Fits 3W 55iUS - Aluminum
Drop: - 2.75"Run: 5.75"Dia: 1.00" / 25mm
$87.00
DBH-75i
Fits 3W 60i, 70i, 75i, 80xi, 85xi - Stainless Steel
Drop: 1.00", Run: 6 1/2", Dia: 1.00" / 25mm
$87.00
DBH-75iUS
Fits 3W 70iUS, 75iUS - Aluminum
Drop: - 2.75"Run: 6.00"Dia: 1.00" / 25mm
$87.00

Inline Twin Headers

Part #
Description
Price
 
HDR110iR2
Fits 3W 110iR2
Drop: 3.25"Run: 7.00"Dia: 1.00" / 25mm
$160.00
HDR150iR2-F
Fits 3W 140iR2, 150iR2 F-Style
Drop: 2.75"Run: 9.5"Dia: 1.00" / 25mm
$160.00
HDR150iR2-Y
Fits 3W 140iR2, 150iR2 Y-Style
Drop: 4.25"Run: 7.25"Dia: 1.00" / 25mm
$160.00

Four Cylinder Headers

  
Part #
Description
Price
 
HDR112F
Fits 3W 112iB4 - "F" Style
Drop: 2.50"Run: 7.50"Dia: 1.00" / 25mm
$330.00
HDR112Y
Fits 3W 112iB4 - "Y" Style
Drop: 3.75"Run: 5.75"Dia: 1.00" / 25mm
$330.00
HDR212F
Fits 3W 212iB4, 220iB4 - "F" Style
Drop: 2.50"Run: 9.50"Dia: 1.00" / 25mm
$350.00
HDR212Y
Fits 3W 212iB4, 220iB4 - "Y" Style
Drop: 4.50"Run: 5.50"Dia: 1.00" / 25mm
$350.00
HDR684Y
Fits 3W 684iB4 - "Y" Style
Drop: 6.00"Run: 12.00"Dia: 1.375" / 35mm
$390.00

Teflon Couplers
Used to connect tuned canisters and tuned pipes to the headers Use with our tensioned steel spring clamps listed below

Part #
Description
Price
 
CP-22
3W Teflon Coupler - 22mm (Fits 3W-24, 28, 48B2, 56B2)
$10.00
CP-25
3W Teflon Coupler - 25mm (Fits 3W-60 to 170 & 212)
$12.00
CP-28
3W Teflon Coupler - 28mm (Fits 3W-200)
$15.00
CP-30
3W Teflon Coupler - 30mm (Fits 3W-240 & 275)
$18.00
CP-35
3W Teflon Coupler - 35mm (Fits 3W-342 & 684)
$20.00
KS1026
KS Teflon Coupler - 25mm (Fits 3W-60 to 170 & 212)
$12.00
KS1026L
KS Teflon Coupler - 25mm x 200mm Long
$30.00
KS1028RE
KS Teflon Step-Up Coupler - 28mm to 30mm
$15.00

Tensioned Steel Spring Clamps

Part #
Description
Price
 
CL-22
3W Tensioned Steel Spring Clamp - 22mm
$2.50
CL-25
3W Tensioned Steel Spring Clamp - 25mm
$2.50
CL-28
3W Tensioned Steel Spring Clamp- 28mm
$3.00
CL-30
3W Tensioned Steel Spring Clamp- 30mm
$3.00
CL-35
3W Tensioned Steel Spring Clamp - 35mm
$5.00