Boom!!!!
As promised. stock header and cats with a muffler that bends into the mufflers then bends out to the tips vs garage line LTH (looks like a eBay obx header), my Helmholtz welded in at the x pipe and straight pipes.
No tune, still running rich! 13hp, 17tq peak, 18-19hp, 11-17tq mid range.
