The 2.25in lap joint clamp stainless steel from DYNOMAX (MPN 33231) is a critical fastening component for exhaust system assembly and repair. Whether you're building a custom exhaust from scratch, replacing a rusted clamp, or restoring a deteriorated connection, this mid-size lap joint clamp handles the job with reliability. Mechanics and enthusiasts rely on lap joint clamps to secure exhaust tubing, resonators, and muffler connections where vibration resistance and corrosion immunity are essential.
Constructed from 300-series stainless steel, this 2.25-inch clamp resists rust and salt-induced degradation far better than mild-steel alternatives, making it ideal for high-moisture environments and long-term durability. The lap joint design creates a mechanical overlap that distributes clamping load evenly across the joint, reducing stress concentration and vibration-induced loosening. At 0.94 lbs and measuring 7.5 x 3.45 x 7.8 inches, the clamp is compact enough for tight underbody routing while maintaining sufficient material mass and bolt surface area for secure, repeatable torque application.
This clamp is essential for 2.25-inch diameter exhaust tubing, the most common size in modern street cars, muscle cars, and truck applications. Installation is straightforward: overlap the exhaust sections, position the clamp around the joint, and torque the bolts to manufacturer specification to ensure a leak-free seal. The stainless steel construction ensures durability and resistance to corrosion, making it a reliable choice for exhaust system applications.
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