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674˝ Cast Iron/Steel Hub Drill Bit Size (actual dim
Not compatible with M Performance diffuser
The Cat-Back and Axle-Back systems utilize patented straight-through and multi-core technology to enhance hidden horsepower
and two reducers to allow installation in standard applications
The precision J-form threads are rolled after heat-treat for much stronger threads than the competition
BORLA 40665 ProXS™ Muffler Center / Offset Oval 2,5" in / out, 19" x 4" x 9.5" ymm_31 674˝ Cast Iron/Steel Hub DrillDescription BORLA 40665 ProXS Muffler Center Offset Oval 2,5" in out, 19" x 4" x 9. 5" The ProXS Muffler features a 2. 5" offset inlet and a 2. 5" center outlet, with a 4" x 9. 5" oval shape and a 19" long body. The overall length is 24". Un notched necks are designed for weld in installation, and if clamping is preferred, 3" wide band clamps 18004 should be used (clamps not included). This muffler offers a reversible design for flexible installation.