This 254-page book is packed with information on how to choose, install, tune and maintain performance equipment including turbo, special built race and wish program cars. Porsche expert bruce anderson explains wheel and tire improvement, up-to-the-minute autocross or showroom stock suspension and brake modification, custom add-on body work and paint and interior improvements. Main sections cover history, engine, transmission, chassis and bodywork.

General Fitment

Are you experiencing vibrations in the cabin? The most likely cause is a worn transmission mount. Severely worn mounts translate to engine component wear and can even cause difficulty shifting. We can offer your c4 a more sporty feel without the harsh vibration from a solid mount. Our transmission mount is manufactured in europe by an OEM supplier using the finest materials (high carbon steel, 7075 t6 aluminum and 85 shore rubber - rs spec). The rs spec shore rubber offers the c4 sportier handling without being too stiff for street use. Be sure to swap yours out during the next service. Sold individually. Central fitment into the transmission carrier bracket 96437502301. 1 qty. Required. Tech tip: now is the ti...(choose a part on the right to read more)

Brombacher edition valved mufflers are the perfect compromise for you and your loved ones. Rich, deep race car tones with the exhaust valve open and soft subtle, nearly stock sounds with it closed. + 17 hp & + 13 tq gain. - 2 x 3.5 (90 mm) round tips. - includes a pierburg vacuum actuated exhaust valve. - thermal insulation on piping to keep suspension components cool. Withstands up to 2,012 degrees fahrenheit (1,100 degrees celsius). - intoxicating growl at idle, partial throttle and wide open throttle with the valves open. Factory quiet with them closed! - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - "aero quip" style motorsport muffler connections to ensure a leak free exhau...(choose a part on the right to read more)

Are you experiencing vibrations in the cabin? The most likely cause is a worn transmission mount. Severely worn mounts translate to engine component wear and can even cause difficulty shifting. Our mount is manufactured in europe by an OEM supplier using the finest materials. It is a 65 shore rubber hardness value which is the same as the what was standard on these cars. Be sure to swap yours out during your next service. Sold individually. Central fitment in transmission carrier 96437502301. 1 qty. Required. Tech tip: now is the time to replace the old hardware as well. Below is a list of what is needed for installation. 1 qty. Hex head bolt m10x100 90007429202 1 qty. Lock nut m10 49020001 2 qty. Washers 10.3x...(choose a part on the right to read more)