Borla Performance XR-1 Racing Muffler 40085Muffler, XR 1, 3 in. Inlet 3 in. Outlet, Brushed Stainless Steel, Each Borla XR 1 Racing Mufflers Whether you're drag racing or Circle Track racing, Borla has an XR 1 racing muffler for you. In fact, the 16 in. Shootout mufflers are rated the highest flowing mufflers on the market. Features include: * Straight through design for maximum flow * Aircraft quality T 304 stainless steel construction for reduced weight * All welded, one piece design for

Patented X-Digital wideband technology (Patent 9

Reduced tread pattern for maximum traction

You get two top air ports and three bottom air ports for easy install

Motive Gear is a manufacturing industry leader in professional quality

What's included

Manufacturer's Part Number:  234-4317

load conditions and surface finishes

safety features

extensive amount of inputs and outputs for various combinations

NOT FOR STREET USE

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TSP Stainless Steel Valves 2