ZR-1 Net Registry Forums - View Single Post - x-pipe

bradslt5 · 10-31-2007

an x pipe will increase your mid range about 10 hp .it sure did on my trans am firebird . you might get more cabin noise though.from what i read here the resonator is the cork on the stk exhaust

10-31-2007	#2
bradslt5 Join Date: Oct 2007 Location: lone pine and mammoth lakes ca. Posts: 544	Re: x-pipe an x pipe will increase your mid range about 10 hp .it sure did on my trans am firebird . you might get more cabin noise though.from what i read here the resonator is the cork on the stk exhaust