Stretches Pipe up to 4-1/4" Including Stainless Steel. Use with an impact wrench to quickly stretch pipes. Collet sets expand pipes from 1-5/8" to 4-1/4". The tool can be used on the vehicle. The pipe stretcher kit is a convenient, inexpensive alternative to hydraulic pipe expanders. Comes in a molded storage case. Applications: Expands all types of exhaust pipe, including stainless steel, from 1-5/8" to 4-1/4" in size.??í ??í Instructions: Turn 1-1/8" bolt with a 1/2" or 3/4" impact wrench. If necessary, choose appropriate aluminum adapter to use with the standard expander tool. The #3 adapter must be used with the #5 adapter. Be sure to keep threads and cone well lubricated.??í ??í Also available individually: Callout # Part # Description Callout #1 Part #17510 Description2-3/8" Extender Assembly Callout #2 Part #17710 DescriptionO-Ring Callout #3 Part #17520 Description2-3/4" Extender Assembly Callout #4 Part #17720 DescriptionO-Ring Callout #5 Part #17530 Description3-1/8" Extender Assembly Callout #6 Part #17730 DescriptionO-Ring Callout #7 Part #17540 Description3-1/2" Extender Assembly Callout #8 Part #17740 DescriptionO-Ring Callout #9 Part #17550 Description3-7/8" Extender Assembly Callout #10 Part #17750 DescriptionO-Ring Callout #11 Part #34410 DescriptionBolt Callout #12 Part #34310 DescriptionWasher Bearing Assembly??í??í Callout #13 Part #34430 DescriptionCone Callout #??í Part #34460 DescriptionBearing??í(Bearing Only = Timken Bearing #LM11949) Callout #14 Part #34480 DescriptionSmall Segment Set Callout #15 Part #34500 DescriptionO-Ring Callout #16 Part #34470 DescriptionLarge Segment Set Callout #17 Part #34490 DescriptionO-Ring Callout #18 Part #34530 DescriptionAnti-Seize Compound Callout #19 Part #17360 DescriptionCase for 17350 SDS Sheet 17350