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Shape Up Your Auto for Spring
Save 10% on purchases through 3/31 at 11:59pm EST.
Use promo code SPRING18
*prior sales excluded.

Stainless Steel Exhaust Tubes

For exhaust system performance and durability, Classic Tube offers 304 (16 gauge) brushed stainless in the parts you need to build your custom system:

Straight Length: by the foot (OD 3/4" to 5")

Mandrel Bent:

U-Bends (180°)

J-Bends (180°)

90° Bends

45° Bends

15° Bends


(OD 3/4" to 4 ")

(OD 3/4" to 2-1/2 ")

(OD 3/4" to 5")

(OD 3/4" to 4 ")

(OD 3/4" to 3 ")


16 GAUGE (.065)


Stainless steel tubes combine excellent physical properties with remarkable resistance to the corrosive agents found in exhaust emissions. 304 stainless steel is the most cost effective grade of non-magnetic stainless steel for general applications.

For U-bends and J-bends

Determine the Center Line Radius (CLR) by measuring across the outside edges of the bend, subtracting the tubing O.D., and dividing by 2.


Leg lengths are approximate; usually within +/- .25".

Use 308 filler rod to weld 304 to 304

Use 309 filler rod to weld 304 to mild steel

Straight Length Tubing

Straight tubing is sold by the foot, based on the total length of the tubing.

It is cut to the length you specify.

Lengths up to 8 feet can be shipped UPS.