X Pipe Or Staight Pipes
H = Deep, Bassy, 70's muscle tone.. Also LOW end TQ
X = High pitched, racy, exotic sound... Top End Power
Trending Topics
The Best V8 Stories One Small Block at Time
What the other guys said about sound is true about sound with an X or H but no crossover with say flowmaster 1 chambers on the collectors doesn't sound raspy at all. It does sound rougher and nastier and pops more but no rasp. I use the term Pissed off... lol!
http://www.fquick.com/videos/Exhaust...1_Z28_LS1/3690






