Rock Crawler Exhaust Systems by MagnaFlow®. The Rock Crawler Exhausts designed to fit with aftermarket bumpers, MagnaFlow high clearance design for off-road rock crawlers melds quality with durability. Mandrel-bent tubing and a perforated steel core boost exhaust flow and the parts are dyno proven to produce maximum power.
The stainless steel pipes in a MagnaFlow System are mandrel bent, keeping their shape through the bends to avoid obstructions to the gas flow. The gases are led into the free-flow mufflers with smooth necks and a straight-through, perforated stainless steel tuning pipe. The pipe is wrapped in a stainless mesh wrap and surrounded by tightly packed acoustical fiber in a lap-joint welded stainless steel body. The muffler is finely tuned to dampen irritating pitch notes and to deliver that roaring race engine tone that is so characteristic of MagnaFlow competition exhausts. The quality materials and the tight packing of the acoustical material ensure long life and no sound degradation over time.
The careful free-flow design, the first class workmanship and the attention to detail in both design and fabrication combine to achieve maximum performance and a true racing engine sound.
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/5
1-7 of 7 Reviews
5 of 5
Gladiator
Easy install, good sound.
MagnaFlow® - Rock Crawler Series™ 409 SS Cat-Back Exhaust System with Single Rear Exit
Posted by Jeff (Minden, LA) / July 31, 20192020 Jeep Gladiator
5 of 5
Sounds Great.
Easy to install worth the $. Installed on 2015 JKU. The sound is like a low growl. Install was less than 45 minutes.
MagnaFlow® 15237 - Rock Crawler Series™ Stainless Steel Cat-Back Exhaust System with Single Rear Exit
Posted by Anthony (Carrollton, GA) / September 21, 20182014 Jeep Wrangler
5 of 5
2004 RAM 3500 2wd
Did this in my driveway one man. Took me a day and a half to cut the stock pipe from the cat pipe back off. Had to manage how I cut it because it’s a little lower but I have a 3 level on it. Ended up cutting it in 3 pieces. Then used a helper to install the magna flow adapter back to the end of the new muffler to hold. All and all it’s good.
Posted by Brylee (Huntsville, AL) / July 05, 20252004 Dodge Ram
5 of 5
So Far So Good
Was a bit louder than I expected when first installed last year but now just sounds fine and is working fine with no rusting or any other issues. It looks nice when you see the MF logo on the tailpipes that implies you are cool and like dirty abbreviations!
Posted by W.E. (Houston, TX) / February 05, 20252024 Ford Ranger
5 of 5
Great
I use my 4runner for both commuting and weekend trips. This exhaust system is quiet enough for daily driving but with a nice rumble when I hit the trails. The fit is spot-on and the sound is just right. Satisfied with my order.
Posted by Julian (Austin, TX) / December 17, 20242001 Toyota 4Runner
5 of 5
Great sound, easy install
Installed this exhaust myself in under two hours. The sound is perfect, not too loud but definitely more aggressive than stock, you can definitely hear it when you step on the gas.