Infiniti QX56 / QX80 V8 5.6L Full System Dimensions:1-3/4" x 3" Our 100% US made mufflers

Our 100% US made mufflers are 304 S/S with a straight thru design and feature (two per side) 3" double walled polished S/S tips that fill the stock opening of the rear valance quite nicely

expect a great fit and outstanding performance

we have you covered from bone stock to over 1000 RWHP

we have what you need for your 2 Valve GT Mustang

Infiniti QX56 / QX80 V8 5.6L Full System Dimensions:1-3/4" x 3" Our 100% US made mufflersOur full system provides the most aggressive tone yet it is drone and rasp free. Add 40 RWHP to your QX80 or QX56 with our header and full exhaust, which feature state of the art component engineering. Answering the call for high quality header & exhaust systems for 5. 6L V8 Infiniti QX56 (2012 2015) QX80 (2017 Present) was a top priority for American Racing Headers. Our newest systems for this application provide up to 40 Rear Wheel HP, which really