Ascot Street Tracker Exhaust - New Style, Good Looks & Sounds Good. Comes complete with mount brackets. Headpipes are 42mm.OD (1.5" ID). Chrome plated. Fits: 1974-79 "Standard" models. NOTE: This system is complicated to install. Mechanical aptitude required.

Fits into Original Muffler Joint Nut as used on Stock Mufflers on XS1/XS1b/XS2 (1970-72) and 1973 TX650. Also fits to our #07-0749/0750 systems. Note: Sold Each, order quantity you require

Center Stand Stop Rubber. Fits: To stock muffler on 1970-73 XS/TX 650's

Gasket - OEM Exhaust Muffler Cross Over Joint Gasket. OEM# 2G2-14714-00. Fits: Yamaha original Exhaust - XS650 E/SE/SF/2F/SG-SK (1978-83)

Muffler Joint Gasket - Gasket - 46mm. OD x 40mm ID x 11mm Long. OEM Ref. # 371-14714-03. Fits: Original Headpipes to Muffler Joint on Standard Models - XS650B/C/D/E/F (1975-79), TX650A (74) models with 40mm. (1.57") headpipes.

Headpipe Exhaust Gaskets (Pk./2) - Original Yamaha Type. OEM Ref.# 256/3GD-14613-00, 90430-38054. Fits: All 650's 1970-84

Exhaust Stud Nuts & Locks - 8 Pc. Set Correct type Chrome Steel Crown Nuts and matching stainless steel lockwash.

Rubber Bumper - Stand Stop Rubber - Also for use with Aftermarket Muffler Center Stand Stops. Rubber bumper is mounted to muffler and/or frame. 1" Dia x 9/16" Long - Fits into 3/8" (10mm) Hole. OEM Ref. # 278-27114-00/01/A0, 371-27114-00-00. Used on All TX/XS650's 1974-84 Some models use 2 pc.

Bolt - Fastens Stock XS650 Headpipe Lower Flange to Frame. 10mm x M1.25 x 20mm with 17mm Hex Head.

Stainless Steel XS Performance Headpipe Set - 1.75" (45mm.) OD x 1.65" (42mm.) ID x 39" Long. When Mounted the ends of the headpipes are approx. 5" past the back edge of the engine Clutch (RH) Cover. New Chromed OEM type Finned Headclamps included! Fits: All 650's 1970-84 Fits: to our #07-0041, 07-0015 or 07-0014 Mufflers. For maximum bottom end power these headpipes should be used with Headpipe Exhaust port Torque optimizers (Diodes).

Exhaust Studs for Cylinder Head - 10mm. x M1.25 x 43mm. Long with Plated Finish.

Bolt XS1/2 Muffler to Late Frame. 12 x 1.25 x 30mm Thread Length, 19mm Head.

Crown Nut for Exhaust Mount Studs, OEM Ref.#95380-10800-00.

Head Pipe Set 1 1/2" Single tube type. 140mm longer than OEM. Includes flanges. Fits 1974-1984

2 Into 1 Megaphone MAC Exhaust System Features Include: Centerstand retention, Oil filter & drain plug access, Removeable all steel baffle. High quality chrome finish.