45646 Port St, Plymouth, MI January 14, 2023 MRT, the engineered performance shop based in Plymouth, Michigan, introduces the newest edition to their premium exhaust lineup: the Street Race H Pipe for Jeep's Wrangler Rubicon 392 . "The stock 392 exhaust system is cool but not cool enough for the big HEMI V8 engine under… Continue reading MRT Releases Performance H Pipe for Jeep Wrangler 392