SKYMIRO 4-Inch 304 Stainless Steel U-Bolt Exhaust Clamps, 2-Pack

Pack: SKYMIRO 4-inch U-bolt exhaust clamps are a two-piece set for joining exhaust pipes with a matching 4-inch outer diameter. Their saddle-style design is intended for bolt-on, removable connections, while the listing claims 304 stainless steel construction.

At a glance

Designed for exhaust pipe connections, including mufflers, tips, converters, elbows and pipe joints.
Listing specifies a 4-inch outer diameter pipe fit. It advises measuring pipe OD before ordering.
The U-bolt and saddle arrangement is claimed to distribute clamping force and help limit leaks, vibration and noise.
The listing describes bolt tightening without welding and says the clamps are removable and reusable.
For best sealing, the listing recommends using two clamps in opposite directions.

Price

$16.62Save 12%

Reference price: ~~$18.99~~

Price checked: Nov 12, 2026

View offer

Often bought together

joytrace 2-Pack Swivel Exhaust Hangers | Universal Rotating Muffler Brackets Muffler Hanger Bracket Universal fit

$15.89

Pros and cons

Pros

Two clamps are listed, offering a pair for a repair or connection that calls for two clamps.
Bolt-on installation avoids welding, and the listing describes the clamps as reusable for maintenance.
The claimed 304 stainless steel construction is a practical choice for an exhaust connection exposed to moisture and heat.

Cons

A U-bolt clamp compresses the connected pipes, so it may not suit applications where avoiding pipe deformation is a priority.

Technical specifications

9 specifications

Identity and dimensions
Brand	SKYMIRO
Listed dimensions	5.91 x 1.57 x 6.69 inches
Clamp diameter	4 inches
Color	Sliver
Style	Industrial

Construction and fit
Stated material	304 stainless steel
Design	Saddle design
Intended pipe fit	4-inch outer diameter exhaust pipes

Package quantity
Number of packs	2

What to know before buying

Listing details to confirm

Measure the pipe's outside diameter rather than assuming a nominal pipe size equals its actual OD. The listing claims 4-inch OD fit. Its references to rust, corrosion, heat resistance, leak reduction and durability are manufacturer claims, not independently verified performance results.

Who is it for?

A good fit for

Drivers or repairers connecting compatible 4-inch OD exhaust pipes with a bolt-on clamp.
Buyers seeking a two-clamp set for muffler, exhaust-tip, converter, elbow or pipe-joint work.
DIY users who prefer a removable connection and do not want to weld the joint.

Less suited to

Anyone whose pipe OD does not match the stated 4-inch fit.
Applications requiring a band clamp or another connection style rather than a U-bolt and saddle clamp.

SKYMIRO 4-Inch 304 Stainless Steel U-Bolt Exhaust Clamps, 2-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 48 ratings

5 stars63%63%
4 stars6%6%
3 stars10%10%
2 stars12%12%
1 star9%9%

Aggregate customer ratings are mostly in the five-star category, but a notable share are one- or two-star ratings, so experiences appear uneven. The ratings do not identify what customers liked or disliked. For a clamp whose fit depends on a precise 4-inch pipe OD, confirm the measurement and connection requirements rather than treating the overall rating as evidence of fit or sealing performance.

Frequently asked questions

What pipe size is this clamp designed for?

The listing specifies pipes with a 4-inch outside diameter. Measure the pipe OD before ordering to confirm fit.

How many clamps are included?

The listing identifies a two-piece set and gives both the number of packs and number of items as two.

Does installation require welding?

The listing describes tightening the bolts for installation without welding, and says the clamps can be removed and reused.

Can one clamp make a leak-free connection?

The listing claims a leak-resistant seal and recommends two clamps in opposite directions for best sealing. That is a manufacturer claim, not a verified result.