Visitor # 20043 since 19.SEP.2001
I developed a fairly simple custom exhaust system for my pickup over the last few years. I went through a few iterations and think it is quite nice now. It is built with off-the-shelf components and requires no welding or specialized tools. My first iteration was to remove the stock muffler and run with just the resonator (I didn't know that tis was only a resonator, I thought it was a full muffler). Can you say LOUD! Next I added a 36" stainless steel glass pack style muffler in place of the resonator and this was not much quiter; then added a resonator tip, but it was still too loud.
I replaced the 1-5/8" resonator pipe that runs down the center tunnel with a length of 2" S/S straight pipe. It connects to the header with a pair of couplings to flare the 1 5/8" down tube to the 2" pipe. Standard u-bolt exhaust clamps are used here. At the back of the pipe, I use 2-90 degree sections of 2" pipe to form an S-curve up to the muffler location. The muffler is an 18" S/S Borla turbo muffler. The muffler hangs from the stock muffler hangers using the original rubber donuts with a length of plumbers strapping looped through them. Out of the back of the muffler, I ran a length of S/S flex-tubing over the axle and down to a final 90 degree section and out to a dual-outlet muffler tip. The tip hangs from a S/S bolt attached to the vertical spot weld seam behind the rear tire. A piece of steel loops over it and down between the two outlet pipes.
Here's some shots of the system:
Parts list and cost (mostly from JC Whitney ):
|Qty||Description||Cost (US $)|
|7'||2" OD T409 S/S pipe||40.00|
|5'||2" ID T304 S/S flex tubing||20.00|
|3||2" OD 90 degree mandrel-bent tubes||20.00|
|1||Borla S/S turbo muffler||90.00|
|Misc.||Clamps and hangers||25.00|
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[Last updated: 26.March.2021]