what series are the 1's chambers? (i got a custom setup put on my car, cause it didn't have any when i bought it, but it did have 40 series flow mufflers an dumps, but the dumps were shakin my brain loose at 20 mph. but its too quite for me now.
i want my piss the nieghboorhood off sound back
any ideas? i was thinkin remove the cats an jus reattaching the pipes to the mufflers(40 series i beleive) sound clips would help immensly