American Racing Headers Pure Thunder Axle-Back Muffler Systems

American Racing Headers' Axle-back for the GT500 / 3 VALVE features stainless steel mandrel-bent tubing, the deep throaty tone of Pure Thunder Series mufflers, and 4 in. double-walled polished stainless steel tips. The Pure Thunder system is designed to handle serious power, naturally aspirated or supercharged.

Additional details:

* Made entirely of 304 stainless steel
* 3/8 in. thick laser-cut flanges for a warp-free seal
* Hand-ported TIG-welded inlets
* Optimized primary tube routing for superior fit and performance
* Merge collectors with scavenger spikes
* Catted systems feature 200 cell metallic substrate catalytic converters for extreme durability
* All ARH products are exclusively manufactured for racing purposes
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