WebMay 20, 2006 · To install the TH bracket, you need to remove the oil filler spout and the transmission end cover to access the bolts. Once that is done, it's pretty simple from … WebThunderheader™ high-performance exhaust systems, are specifically designed for the HARLEY-DAVIDSON V-Twin engine. How a Thunderheader™ exhaust system will affect your engine’s performance depends on other modifications that are made. For the … Phone: (510) 234-7547 (Dealers Only)Fax: (510) 234-1690 (Dealers Only)To apply …

Thunderheader Mounting Hardware and Instructions

WebThunderheader head pipes are tuned to the proper length and diameter to produce maximum horsepower and an excellent torque curve. With a patented collector design, … WebOpen Questions: Install the cylinder head with a new gasket. Lubricate the bolts with engine oil prior to installation. Torque the M11 bolts in sequence as follows: Step 1: 30 ft. lbs. (40 … ct ascender

Thunderheader leaking exhaust gaskets [Archive] - The ... - XL FORUM

Webinstallation. Check chart for starting point. When engine eficiency has been increased via improved airlow, compression, larger displacement, etc., the volume of fuel in this circuit … WebHeader configuration keeps heat away from rider and passenger legs, providing a more comfortable ride Laser cut heat shields come pre-installed to save you time and labor Features 12mm & 18mm O2 ports, with optimum placement for dyno tuning and proper measurement of the exhaust gas concentration from the port, making the engine perform … WebInsert the slide hammer hook onto the end of the baffle, and remove it. How do you install baffles? After the baffle has been removed you will insert the new baffle all the way inside, it will be a tight fit, and use the baffle retaining screws to secure the baffle within the header. Do you leave the plastic wrap on the baffle when installing? cta scan of the neck