A20-20-10 Conventional Trucks
5" ID-OD Extension Pipe ...

A20-20-10 Conventional Trucks
5" ID-OD Extension Pipe ...

A20-20-100 Freightliner Trucks
5" Extension Pipe N14 Cummins Engine DISCONTINUED SAMPLE NEEDED...

A20-20-100 Freightliner Trucks
5" Extension Pipe N14 Cummins Engine DISCONTINUED SAMPLE NEEDED...

A20-20-110 FL80 Trucks
4" Extension Pipe Muffler Outlet...

A20-20-110 FL80 Trucks
4" Extension Pipe Muffler Outlet...

A20-20-120 Extension Pipe
5" Extension Pipe Various Model Trucks OE# 04-17131-009...

A20-20-120 Extension Pipe
5" Extension Pipe Various Model Trucks OE# 04-17131-009...

A20-20-130 Freightliner Trucks
5" Extension Pipes...

A20-20-130 Freightliner Trucks
5" Extension Pipes...

A20-20-150 Freightliner Trucks
5" x 95 Degree Elbow OD-OD Elbow A= 8" B= 9.5" OE# 04-09586-013...

A20-20-150 Freightliner Trucks
5" x 95 Degree Elbow OD-OD Elbow A= 8" B= 9.5" OE# 04-09586-013...

A20-20-160 Freightliner Trucks
5x95 Elbow ID-OD A= 9.5" B= 10.5" OE# 04-13135-052...

A20-20-160 Freightliner Trucks
5x95 Elbow ID-OD A= 9.5" B= 10.5" OE# 04-13135-052...

A20-20-180 FL106 Trucks
4" Extension Pipe 2000 FL106 Trucks Series 50 Engine With A20-10-310 Trucks...

A20-20-180 FL106 Trucks
4" Extension Pipe 2000 FL106 Trucks Series 50 Engine With A20-10-310 Trucks...

A20-20-190 Freightliner Trucks
5" Extension Pipe OE# A04-22577-000...

A20-20-190 Freightliner Trucks
5" Extension Pipe OE# A04-22577-000...

A20-20-20 Freightliner Trucks
5" OD-OD Extension Pipe...

A20-20-20 Freightliner Trucks
5" OD-OD Extension Pipe...

A20-20-200 Freightliner Trucks
5" Extension Pipe OE# A04-22363-000...

A20-20-200 Freightliner Trucks
5" Extension Pipe OE# A04-22363-000...

A20-20-210 Freightliner Trucks
5" Extension Pipe OE# A04-22573-000...

A20-20-210 Freightliner Trucks
5" Extension Pipe OE# A04-22573-000...

A20-20-220 FL70 Trucks
3" Extension Pipe With A20-10-380 Turbo Pipe DISCONTINUED SAMPLE NEEDED ...

A20-20-220 FL70 Trucks
3" Extension Pipe With A20-10-380 Turbo Pipe DISCONTINUED SAMPLE NEEDED ...

A20-20-220 FL70 Trucks
3" Extension Pipe With A20-10-380 Turbo Pipe DISCONTINUED SAMPLE NEEDED ...

A20-20-220 FL70 Trucks
3" Extension Pipe With A20-10-380 Turbo Pipe DISCONTINUED SAMPLE NEEDED ...

A20-20-230 Business Class Trucks
4" Extension Pipes 2005 Business Class Trucks Mercedes Trucks...

A20-20-230 Business Class Trucks
4" Extension Pipes 2005 Business Class Trucks Mercedes Trucks...

A20-20-240 Freightliner Trucks
5" Extension Pipe ...

A20-20-240 Freightliner Trucks
5" Extension Pipe ...

A20-20-250 M2 Trucks
4" Wye Pipe Extension Leg OE# 04-22851-000...

A20-20-250 M2 Trucks
4" Wye Pipe Extension Leg OE# 04-22851-000...

A20-20-260 Columbia Trucks
5" Extension Pipes Oval Muffler to Floor ...

A20-20-260 Columbia Trucks
5" Extension Pipes Oval Muffler to Floor ...

A20-20-270 M2 Trucks
5x85 Elbow A= 9.5" B= 8.25" ...

A20-20-270 M2 Trucks
5x85 Elbow A= 9.5" B= 8.25" ...

A20-20-290 04-23457-001 2006 COLUMBIA EXT PIPE
USE A20-40-310 5" MUFFLER INLET EXTENSION PIPE 2006 FREIGHTLINER COLUMBIA W 13" HORIZONTAL MUFFL...

A20-20-290 04-23457-001 2006 COLUMBIA EXT PIPE
USE A20-40-310 5" MUFFLER INLET EXTENSION PIPE 2006 FREIGHTLINER COLUMBIA W 13" HORIZONTAL MUFFL...

A20-20-300 Century Class Elbow
5" Wye Pipe A20-70-80 Extension Elbow OE# 04-17555-000...

A20-20-300 Century Class Elbow
5" Wye Pipe A20-70-80 Extension Elbow OE# 04-17555-000...

A20-20-310 M2 4" Extension 04-19938-000
M2 Trucks Inlet to Muffler 4" Extension Pipe OE# 04-19938-000...

A20-20-310 M2 4" Extension 04-19938-000
M2 Trucks Inlet to Muffler 4" Extension Pipe OE# 04-19938-000...

A20-20-40 Freightliner Trucks
4x5 Extension Pipe...

A20-20-40 Freightliner Trucks
4x5 Extension Pipe...

A20-20-50 Classic Trks 04-16621-001
5" Extension Pipe Flat Spot in Middle OE# 04-16621-001 With A20-70-70 Wye Pipe...

A20-20-50 Classic Trks 04-16621-001
5" Extension Pipe Flat Spot in Middle OE# 04-16621-001 With A20-70-70 Wye Pipe...

A20-20-60 Freightliner Trucks
5" Extension Pipe FLD and Classic Trucks OE# 04-15654-001...

A20-20-60 Freightliner Trucks
5" Extension Pipe FLD and Classic Trucks OE# 04-15654-001...

A20-20-70 FLD112 Models
4" Extension Pipe 11.75" Offset...

A20-20-70 FLD112 Models
4" Extension Pipe 11.75" Offset...

A20-20-80 Freightliner Trucks
4" OD-OD Extension Pipe...

A20-20-80 Freightliner Trucks
4" OD-OD Extension Pipe...

A20-20-90 FL106 Trucks
4" Extension Pipe 95 FL106 Trucks ...

A20-20-90 FL106 Trucks
4" Extension Pipe 95 FL106 Trucks ...