MagnaFlow Street Series Cat-Back Exhaust System for 2003-2009 Toyota 4Runner, 2.5" Stainless Steel

MF Series Stainless Cat-Back System

If you're looking to give your 2003-2009 Toyota 4Runner a little extra growl and some serious power, this MF Series Cat-Back System is where it's at. This exhaust setup is designed to bolt right on, so you won’t need to break out the welding gear or spend hours fiddling around. Just a solid, straightforward install that you can tackle in your driveway.

What You Get

• Exit Style: Dual same side exit, right behind the passenger rear tire. It’s got that sporty look without being over the top.
• Main Piping Diameter: 2.5 inches. This is the sweet spot for getting that nice balance between performance and sound.
• Muffler Material: Made from polished stainless steel, so it’s built to last and resist rust. You won’t have to worry about it looking tired after a few winters.
• Muffler Type: Straight-through design. This means you get that loud and proud sound without the drone inside the cabin. Perfect for those long drives when you don’t want to go deaf!
• Tip Details: The tips are 3 x 3.75 inches, polished stainless steel, and come in a rectangular shape. They’re double-walled with a straight cut and rolled edge for a clean finish.

Why It Matters

With this system, you’re looking at some dyno-proven power gains. It’s not just about the noise; it’s about getting real performance out of your ride. Plus, the sound is tuned to be comfortable inside the cabin, so you can enjoy your music or your conversations without shouting over the engine.

Fitment

This exhaust fits perfectly on the 2003-2009 Toyota 4Runner. No guesswork here—just a solid fit that delivers on performance and style. If you're running stock or a mild lift, you’ll clear those 35s with just a bit of trimming on the rear fender liner.

Final Thoughts

All in all, if you want to give your 4Runner a bit of a personality upgrade while boosting its performance, this Cat-Back System is a no-brainer. It's straightforward, sounds great, and gets the job done without any fuss. Get ready to turn some heads on the road!