USE THE PULL-DOWN MENU ABOVE TO SELECT THE TIP LENGTH, THEN ADD TO CART ^ GPP DD-R Optional/Replacement Tip Sets (1 pair) 11002601 GPP Titanium Tips 101mm Dia. x L 150mm, Std.11002602 GPP Titanium Tips 101mm Dia. x L 170mm, Long 11001171 GPP Stainless-steel Tips 101mm Dia. x L 150mm, Std.11001169 GPP Stainless-steel Tips 101mm Dia. x L 175mm, Long GPP DD-R Tips: for GPP DD-R twin muffler systems with 101mm Tip - Single-wall, slant cut burnt Titanium Tip / SUS Tip with etched GPP Logo Dia.: 101mm (3.975") Length: 150mm (5.9"), 170mm (6.7"), 175mm (6.9") Material: Titanium / Stainless-steel Mounting pattern: DD-R Tri-mounting Optional burnt-Titanium tip (2 lengths) GPP Ti / SUSTip. Exclusively for GPP DD-R exhausts with dual 101mm overall muffler diameters. Notes: Requires 3mm Allen Head driver and 8mm wrench/socket to install