Options and customization are important to AWE, just like it is to you. AWE engineered bolt-on mid pipes to pair with your Tread Edition Axle-back for additional sound tuning and performance. Replacing the factory mid section is a robust 3 stainless steel mid pipe available as resonated or non-resonated. For those looking to up the volume while keeping it sophisticated, go resonated. We engineered bolt-on mid pipes to pair with your Tread Edition Axle-back for additional sound tuning and performance. Replacing the factory mid section is a robust 3 stainless steel mid pipe available as resonated or non-resonated. For drivers looking to really uncork all of their Wranglers aggression should consider the non-resonated mid pipe. For those looking to up the volume while keeping it sophisticated, go resonated. Regardless of which mid pipe is chosen, drivers can look forward to keeping the cabin drone free, thanks to the 180 Technology featured in the Tread Edition. Handcrafted from 3 U.S.-sourced CNC mandrel-bent .065 wall T304L stainless steel Less is more: clean, straight-through design maximizes performance Perfect fitment guaranteed AWE No CEL Guarantee Lifetime Warranty 180 Technology: No 50 State Legal: Yes Fit Guarantee: Yes Material: T304L Stainless Steel No CEL Guarantee: Yes Resonated: Yes Tune Required: No Valves: No Not CARB legal Fits:Jeep Wrangler JK 2 Door (2012-2018)Jeep Wrangler JK 4 Door Unlimited (2012-2018)