DynoMax® Performance Exhaust

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Jeep Wrangler JK exhaust pics
83 Photos, Last Updated On: February 29, 2016

This is our "Rockcrawler system" for the 4 door Jeep JK Unlimited
Runnning along the frame
Exit out the rear
This is an easy system to modify to your needs. On this 4 door they dumped it before the rear axle.

Another view.
This is on a 2 door JK.
Some close up shots of how the exhaust is routed.

Front driveshaft
Another looking at the front driveshaft.

The stock EVAP does not need to be relocated using our systems.
How it routes over the the rear axle.
The tip. Some use it, some don't.

Full Traction Suspension recently launched a new suspension, and our exhaust system was a great fit.

Clears there nice new suspension.
Nice set up of the Dynomax JK exhaust system on Off Road Evolution's EVO1.

Although this muffler (Ultra Flo Welded Polished) has a big ding in it, it still has a great sound and works!

This is kit 19456 for the Jeep JK.
This is the 39459 kit for the 4 door Jeep Wrangler JK.

These are the parts included in kit 39464 for the 2 door Jeep Wrangler JK.
This the 19446 for the 2 door Jeep Wrangler JK.
This is kit 19456 for the Jeep Unlimited, this goes in to the original exhaust space.
This is kit 39445, the dual outlet for the for the 2 door Jeep JK.

This is 39457, the dual outlet for the 4 door Jeep JK Wrangler.
The 39459 placed together for the 4 door Jeep JK Wrangler.
This is kit 39459 for the 4 door Jeep JK.
This is kit 19456 for the Jeep JK. This replaces the stock system, it is much smaller than stock.

Frame rail vs muffler location.
This is the space that is left after the "rockcrawler" system relocates the muffler in front of the axle. P/N 39459
How it lays out under the JK.

The way it is routed over the rear axle provides maximum clearance.
Nice shot of our dual exhaust system on a JK. Available for the 2 or 4 door. http://www.dynomax.com/application_info.php?vehicle=2011-2007-wrangler-unlimited-4-dr-w-3.8l-39457
We are proud to part of the latest JK build from our friends at Poison Spyder Customs, Inc. Sheri enjoy!

This is what we started with.
The finished product.

Here is our "rockcrawler" system on our Jeep JK-8. We recently transformed our 4 door to this style of Jeep. Preet sharp.
Great shot of the Off Road Evolution DynoMax "rockcrawler" exhaust on a great looking JK.

2007-12 AXLE back stainless steel Super Turbo exhaust system for a long, durable life on your Jeep JK. 90 day Performance & Sound Guarantee. Limited Lifetime Warranty.
2012 Jeep JK 2 door cat-back VT exhaust system. Mandrel bent system. 90 day Performance and Sound Guarantee. Limited Lifetime Warranty as well.
Nice shot of a "home brewed" shorty exhaust on a JK using a Polished Ultra Flo Round.
Muffler is clear of the EVAP and won't cause any issues.

This is a shot of our new AXLE-back of the 2007-12 Jeep Wrangler JK. It utilizes our new stainless steel Super Turbo dual outlet muffler.
It includes two stainless steel tips as well.

It takes up less space than stock as well.
This system uses our Ultra Flo Welded muffler. Great sound, and the muffler is smaller and better flowing than stock. This is for the 2007-2011 Jeep Wrangler 2 door or 4 door.
This is our new system that is inspired by Off Road Evolution. It is similar to our "rock crawler" set up but accommodates unique suspension systems.
The 4 door VT system for the 2012 Jeep Wrangler.

This system uses our Ultra Flo Welded muffler. Great sound, and the muffler is smaller and better flowing than stock. This is for the 2012 Jeep Wrangler 2 door or 4 door.
So this week is the 4-Wheel & Off-Road Magazine Ultimate Adventure. It looks like they are somewhere in the Pacific Northwest. Here is a shot of a JK on the 2007 Texas Ultimate Adventure with our "rock crawler" system. No need to relocate the EVAP with this system.
With our Evolution Competition system there is no need to relocate your EVAP canister.
We use one of our stainless steel Ultra Flo Welded muffler

The turn down dump.
The space between the EVAP and the turn down.
Clearance, Clarence!
Our "rock crawler" system tucked up and out of the way and it sounds great.

Great shot of a friend of DynoMa'x JK on Hell's Gate in Moab. You can see his DynoMax Evolution Competition System. Looks like the stock gas skid is pretty beat up. (photo credit: Paul David Matthew)
Nice article about this DynoMax equipped JK from Falken Tire from our friends over at K&N Filters. http://www.knfilters.com/news/news.aspx?ID=4264
This is what a Race Bullet looks like on a Jeep Wrangler JK. It does tuck up the muffler a bit more, but it is also a bit louder than when our Ultra Flo Welded is used.
Side shot of our JK RockCrawler Exhuast System on a 2013. P/N 39523 http://www.dynomax.com/exhaust_details.php?vehicle=2012-jeep-wrangler-4-dr-3.6l-v6-39523

Sharp looking #DynoMax equipped JK. Thanks for sharing Brian!
Great comparison of how bulky the stock Jeep JK muffler is compared to our AXLE back system using our Super Turbo muffler, P/N 39510.
Great shot of our new QuietCrawler system on our 2012 Jeep Wrangler JKU, This set up tucks up nice and tight and out of harms way on the trail too!