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4” high-flow performance con into a 4” body with a 2 ½” perf core baffle.
Increases bottom to mid range torque and horsepower on all motors. Tuned properly can accomodate 88" to 143".
065 stainless steel headers, stepped from 1 ¾” to 1 7/8” to 2” at the collector
Hand TIG welded from top to bottom
Machined stainless steel header collars
18mm 02 bungs with 12mm adapters, allows for stock or autotune sensors
Comes with complete hardware kit with everything needed for mounting
** FOR ST MODELS PLEASE INCLUDE YOUR BIKE ON THE CART PAGE FOR A FREE BAG MOUNTING BRACKET **
Works Edition Exclusive:
Precisely pie cut and TIG welded back together by hand at SP Concepts in Lake Elsinore, CA.
SHIPPING TIMES
Orders are processed as quickly as possible, but in some cases please allow up to 7 business days for order processing prior to your estimated shipping transit time. Shipping times will vary depending on your location and chosen shipping method.
Selecting a faster shipping method does not speed up processing time but does accelerate the transit time once shipped.
Some regularly stocked items may be temporarily out of stock but shown as available online. These items usually take 10-15 business days to be restocked and shipped to you.
