Engine

Rear Muffler Bypass

Rear Muffler Bypass

Just wanted to put a plug in for the rear muffler bypass (928 Specialists). Installed it in about 30 minutes- didn't raise the car, didn't have two 13mm wrenches- about 10 minutes if I had. This thing rocks! My S4 before RMB sounded sweet but not as "throaty" as my '84. Now it sounds like it drives. When started I can swear it roars to life and says "I'm gonna kick some!" I only hope the local police have a little humor. Has anyone noticed any performance improvements after RMB? I'm curious.
*Tom Wiegand; '88S4, silvermettalic, auto; '84S, rubinrotmettalic, auto

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