The underside of the muffler is one of the first places moisture collects, which is why this section tends to fail before the rest of the exhaust system.

Walker 21762 Fit, Form, and Function:

• It's built to fit 2010-2015 Chevy Equinox, GMC Terrain without requiring any cutting or welding.
• Its natural-finish stainless steel shell resists the corrosion that eventually rusts out a factory muffler.
• Body dimensions of 15 in. x 9.25 in. x 4.5 in. in an oval body are sized to match the factory muffler cavity.
• A pipe connection inlet (2.5 in.) and a pipe connection outlet (2.5 in.) line up with the factory connection points.
• At 19 in. overall, it matches the factory muffler's footprint.
• This is sold individually, one per package.