Best Muffler & Exhaust Services in Diamond Bar, CA

“Finally went in to get some work done on my 2000 4 Runner.”

“We had many trucks that the "state" said we could no longer use due to emissions, now these trucks had low mileage & Diesel Exhaust came & did some reto- fit for our low mileage trucks & we were able to keep them for more time, not only that Jeramy h...”

“They told me an honest price , they even told me they recommend I clean it onces more to get a better flow test from the filter and didn't charge me extra , put on a new nox sensor.”

“They were concerned my truck had been intentionally sabotaged, so they took pictures of everything while the truck was apart and showed me the pictures and old parts afterwards and explained what happened.”

“The only place to have your Toyota or Lexus serviced.”

“Make no mistake there tunning service and there experience don't come cheap however it's well worth the money you spend with them if you want a fast car that safe to drive and reliable💯👍🏾”

“Outfront Motorsports is a company whom actually cares about where and how you implement your hard earned dollars to put them to work without having to file for bankruptcy haha.”

“They've also done LS swapped RX7s which is a hit or miss in the rotary community but hey if that's your cup of tea then still give Fris and Willow a visit.”