MagnaFlow 15110 Cat-Back Exhaust: Equinox and Terrain Fit Guide

Quick answer

The MagnaFlow 15110 cat-back exhaust is designed for the 2010–2017 Chevrolet Equinox 2.4L and 2010–2015 GMC Terrain 2.4L. It uses 2.5-inch mandrel-bent piping, two straight-through mufflers, and a single driver-side rear exit with a 4-inch polished tip. If your vehicle is outside those year and engine ranges, or you want a different exit style, this system is not the right fit.

What the 15110 actually changes on a 2.4L Equinox or Terrain

The 15110 replaces the factory cat-back section with a 2.5-inch mandrel-bent system. Mandrel bends keep the pipe diameter consistent through the curves, which supports smoother exhaust flow than crush-bent piping. Two straight-through mufflers handle sound control, and the single driver-side rear exit with a 4-inch polished welded-on double-wall angle-cut folded-edge tip gives the SUV a cleaner rear profile than the factory setup.

If you are searching for a 2.4L Equinox exhaust upgrade, the main practical change is a resonant, powerful engine tone that MagnaFlow describes as part of its Street Series character, plus dyno-proven performance. It is not a quiet stock replacement. Expect more presence at startup and under load.

Fitment boundaries: years, engine, and trim

The 15110 is listed for the 2010–2017 Chevrolet Equinox with the 2.4L engine and the 2010–2015 GMC Terrain with the 2.4L engine. The year range is not the whole story. The 2.4L engine is the deciding factor. If your Equinox or Terrain has a different engine, this cat-back is not designed for it.

The catalog does not list available option types such as tip finish or exit variations for this system. That means you should not assume there is a choice of tip style or exit configuration. The 15110 comes as described: single driver-side rear exit with the 4-inch polished tip. If you need a different exit location or tip finish, treat that as a reason to look at another system rather than expecting an option at checkout.

Install reality check before you buy

A cat-back install on these SUVs is a bolt-on job in principle, but age and rust matter more than the instructions. Before ordering, get under the vehicle and inspect the factory flange and hanger points. If the factory exhaust is heavily rusted or the flange bolts are seized, plan for extra time, penetrating oil, and possibly replacement hardware. The 15110 is designed to fit the factory routing, so you are not cutting and welding a custom path.

Check the rear exit clearance against any hitch, tow bar, or aftermarket rear bumper accessory. The single driver-side rear exit with a 4-inch tip needs room to sit without contacting plastic or metal. If you have a hitch receiver or a non-stock rear bumper, verify clearance before you commit. If you are not comfortable working under the vehicle or the factory system is badly corroded, a professional install is the safer choice.

When to choose a different MagnaFlow system

If you want a dual rear exit instead of a single driver-side exit, the 15110 is not the right match. The MagnaFlow 16700 for the 2006–2007 Dodge Ram 1500 5.7L uses a dual split rear exit with 3.5-inch polished clamp-on tips, but that is a different vehicle platform and engine. It is not a substitute for the Equinox or Terrain.

If your goal is a more aggressive, attention-grabbing edge rather than the Street Series tone, the MagnaFlow 16793 Competition Series axle-back for the 2005–2009 Ford Mustang 4.6L and 2007–2009 Shelby GT500 5.4L shows how MagnaFlow separates sound levels across series. Again, that is a different application. For the 2.4L Equinox or Terrain, the 15110 is the listed cat-back option. If you want a different sound profile on those SUVs, you may need to look outside this specific system rather than assume a series swap exists for your vehicle.

Diagnosis: will the 15110 solve your problem?

• Symptom: You want a deeper, more present exhaust tone on a 2.4L Equinox or Terrain: The 15110 is the listed cat-back for those vehicles and uses two straight-through mufflers with 2.5-inch mandrel-bent piping to deliver the Street Series resonant tone. If your vehicle matches the year and 2.4L engine, this is the intended fix. If you want a quieter cabin or a different exit style, stop here and look at another option.
• Symptom: You are unsure whether your Equinox or Terrain is covered: Check the engine first. The 15110 covers the 2010–2017 Equinox 2.4L and 2010–2015 Terrain 2.4L. A different engine or a year outside those ranges means this system is not designed for your vehicle. If your vehicle falls outside those boundaries, do not order the 15110. Choose a system listed for your exact year and engine.
• Symptom: You want a dual exit or a different tip style: The 15110 has a single driver-side rear exit with a 4-inch polished tip, and the catalog does not list alternate option types for this system. If a dual exit or a different tip is a must-have, the 15110 will not satisfy that. Look for a system that offers the exit configuration you want.

Product facts

• MagnaFlow 2010-2017 Chevrolet Equinox 2.4L / 2010-2015 GMC Terrain 2.4L Street Series Cat-Back Performance Exhaust System 15110: MagnaFlow 15110 Street Series Cat-Back Performance Exhaust System is designed for the 2010–2017 Chevrolet Equinox 2.4L and 2010–2015 GMC Terrain 2.4L. It has 2.5-inch mandrel-bent main piping, two straight-through mufflers, a single straight driver-side rear exit, and a 4-inch polished welded-on double-wall angle-cut folded-edge tip. This is the direct fit for the 2.4L Equinox and Terrain. The single exit and tip style are fixed, so if you want a different look or exit layout, this system is not the one.
• MagnaFlow 2006-2007 Dodge Ram 1500 5.7L Street Series Cat-Back Performance Exhaust System 16700: MagnaFlow 16700 Street Series Cat-Back Performance Exhaust System is for the 2006–2007 Dodge Ram 1500 5.7L. It uses 3-inch mandrel-bent piping, one straight-through muffler, and a dual split rear exit with 3.5-inch polished clamp-on single-wall angle-cut rolled-edge tips. Useful as a comparison point for how MagnaFlow changes pipe size, muffler count, and exit style by platform. It does not fit the Equinox or Terrain.
• MagnaFlow 2005-2009 Ford Mustang 4.6L / 2007-2009 Ford Mustang Shelby GT500 5.4L Competition Series Axle Back Performance Exhaust System 16793: MagnaFlow 16793 Competition Series Axle-Back Performance Exhaust System is for the 2005–2009 Ford Mustang 4.6L and 2007–2009 Shelby GT500 5.4L. It has 2.5-inch mandrel-bent piping, two straight-through mufflers, and a dual split rear exit. Shows the Competition Series sound direction is more aggressive than Street Series. It is a different vehicle and does not fit the Equinox or Terrain.