4 inch exhaust electric cut-out

[Tomeygun]

I saw a thread a while back that was an eletronic opener for 4inch exhaust, but it was like $460 - here is a less expensive one:



http://www.dmhperformance.com/

looks nice for $199

 

[Mark Craig]

We did a dyno test on one of those on a stock truck and got 0 gains in HP and little to 0 EGT drop. FYI



Mark @ DPPI