Installed the 4" cat-back exhaust on my 03 Hummer H1 6.5L TD. Installed in less than an hour. Had to adjust fuel lines slightly. Beautiful fit and sounds great! Turbo spools nice and feel the difference.
...read more
From: Donald M.

A BIG THANK YOU for your help in remote trouble-shooting my \'95 Tahoe. You were absolutely correct about the boost pressure being low. It turned out it was a defective vacuum solenoid. I traced it following your suggestions to check vacuum at the...
...read more
From: Robert