BORLA 400838 Crate Mufflers ATAK 2.25" x 2.25" FORD Stock 289 / 302, 351 CID Windsor Engines, 390,427,460 FE engines ymm_20 400 rpm and torque increases

400 rpm and torque increases of 35

Optional extras are available: there is a Link pipe set in titanium for the Slip-On Line Race (Titanium) upgrade

The Cat-Back and Axle-Back exhaust systems utilize patented straight-through and multi-core technology to increase exhaust velocity and reveal hidden horsepower

5 inlet and M12x1

utilizing an aggressive ATAK muffler and Polyphonic Harmonizer Technology to deliver a clean

BORLA 400838 Crate Mufflers ATAK 2.25" x 2.25" FORD Stock 289 / 302, 351 CID Windsor Engines, 390,427,460 FE engines ymm_20 400 rpm and torque increasesDescription BORLA 400838 Crate Mufflers ATAK 2. 25" x 2. 25" FORD Stock 289 302, 351 CID Windsor Engines, 390,427,460 FE engines The CrateMuffler is designed to optimize both sound and power for crate and custom built engines. This muffler features a directional design, with the outlet identified by a mounting bracket welded to the endcap. It is specifically tuned for the Ford Small Block 289, 302 (excluding Coyote 5. 0L), and 351W CID V8 engine