Description
ARH’s 100% US-made (and patented) 304 Stainless Shorty Header system features 1-3/4” primaries and is made with all the great features ARH is known for. Including 3/8” thick flanges with hand ported inlets, tube routing to optimize cylinder scavenging and merge collectors with scavenger spikes. This could be the single best exhaust upgrade while being 50 states legal. Testing on a bone stock L99 netted gains of 12 RWHP and 15 RWTQ. The kit also includes new ARH wire insulators, Grade 8 hardware and Flat Out Racing gaskets. Direct bolt up to OEM Cats.
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