Suzuki LTZ 400 ATV Full Single Inframe Exhaust System

Barker's Exhaust

$ 629.00

Share this product


  • Up to 3.5 Horsepower increase (over 10%)
  • 4 ft-lbs. Torque increase
  • 103 dB Sound without the quiet core
  • Significant weight reduction over stock system
  • Removable aluminum heat shield
  • Fits all LTZ 400 models
  • Available with brushed aluminum or black powder coat finish
  • Billet clamps offered in black, blue, or red
  • Optional Add-Ons: Quiet Core; Spark Arrestor; Ceramic Coating; Complete Repack Kit


"The pipe fits very cleanly on this machine, looking like the machine was made for the Barker's system. With only minor jetting changes we were able to achieve HUGE results on the Z400 motor. We achieved a solid 3.5 horsepower that pumps some serious life-blood into the motor. We were even surprised at the amount of low end torque we were able to gain with this system. As shown on the torque curve in the Dyno Chart the torque spread right from the start and is very substantial. Additionally, notice the gains in the over rev! The sound that comes from this machine is also an excellent component; not too loud but a nice, deep rumble that barks pretty good when you hit the throttle."


The Suzuki LTZ 400 is an incredibly fun machine to ride! Built with great power, suspension, and quality, the LTZ 400 is not only comfortable to ride but easy to maintain as well. Whether you're hitting the trails or racing the track, the Suzuki LTZ 400 will not let you down!  

Because of its exceptional build, taking your Suzuki LTZ 400 to the next level can be simple. A Barker's Full Single Inframe Exhaust System fits the LTZ 400 flawlessly and will bring your ride to life! With a gain of up to 3.5 horsepower and a torque increase of up to 4 ft-lbs, your LTZ 400 will certainly perform with that force you’ve been missing! Install a Barker's Full Single Inframe Exhaust System on your LTZ 400 and you will hear the difference. Listen to your new system blast that deep, throaty sound that is signature only to Barker's. When you are ready to take your machine to the next level, install a Barker's Full Single Inframe Exhaust System and hit the trails and the track like never before. Check out our Dyno Run on the Suzuki LTZ400 with a Barker's Exhaust, completed by Alex at LaBaron's Powersports!



All of our systems are hand welded right here in the USA with premium materials. While other aftermarket systems can be mass produced over automated assembly lines, Barker's Exhaust Systems must be hand welded one by one by skilled craftsmen. The exhaust pipe portion of your new system is composed of 304 stainless steel that is Tig-welded with seam-reduced interior surfaces for smooth flow. The can is comprised of 6061-grade aircraft aluminum. You can choose to leave your can with it’s brushed aluminum finish or have it powder-coated in black for added character. You can also select which color Barker's tag you would like on your system. Barker's tags come in black, blue, red or yellow. Complete your system by selecting which color billet clamps you would like. You may choose black, blue or red billet clamps to harness your new system to your machine.  

Other options to consider include a Barker's Quiet Core Insert and Spark Arrestor. The Quiet Core Insert will reduce sound by up to 5 dB and is ideal when riding in those sound sensitive areas. Besides, with only a loss of .5 to 1.5 horsepower, you may decide to ride with them in all of the time! The Barker's Spark Arrestor will keep any fiery debris from escaping your exhaust and will help to keep our trails safe. 

For serious riding, we highly recommend purchasing a fuel controller for your new system. A fuel controller will drastically improve the way your new exhaust system and LTZ 400 performs. As your new system will require the added fuel flow, a fuel controller is essential for your LTZ 400 to perform at it’s best. For optimal results, your dealer or a skilled technician should program the fuel controller prior to installation. If you are interested in learning more about why you should purchase a fuel controller, please feel free to call us! We promise you will talk to a real person who knows all about it!

At Barker's, we have an extreme amount of dedication and respect for the off-road lifestyle. And we understand that owning and maintaining a performance vehicle is no joke. That is why you can expect only the best in Barker's craftsmanship and design. All Barker’s exhaust systems carry a limited one-year warranty against defects in workmanship and/or materials. See Barker's Terms & Conditions.


We recommend that you monitor and check the packing in your muffler after every ride. The length and time your packing will last will vary depending on how and where you ride. When you first notice any sign of the packing depleting within the can, it's time for a repack. Packing will wear out slowly over time, starting at 100% packed. It is normal for an absorption style high-performance muffler to lose packing but once you lose more than about 10-15% of your packing it will deplete faster and faster since it can now move around in the can. It is imperative you do not allow the packing to deplete too far. If your muffler becomes very loud or you hear rattling around inside the can you have completely depleted the internal packing and should not ride the machine until the muffler is repacked with a fresh pillow. Order new packing before you need it!

The Barker's Exhaust Complete Repack Kit is designed to make repacking your Barker's Exhaust Can simple. *NOTE: If you have a dual system you will need to purchase 2 repack kits.



Suggested add-ons: Quiet Core Insert; Spark Arrestor