flowmaster 50 series, 2" pipe from cat to muffler, 2.25" muffler to exit. Thats what eb recommends. Works great for me. I also gained 1.5-2 mpg w/ that upgrade.


87 22R PU, 2? body lift, 33? BFG muds, 4.88's, F&R Lock-Rights, Rancho Shocks, EB's Street RV Head w/ 268 Cam, LCE Header, 2" to 2 1/4" exhaust, Flowmaster 50 series, Magnaflow high flow cat, complete Herculined SR5 interior, V6 BB, MC, and calipers.