1st Gear Poster
i was thinking of having my exhaust done again because the cats are dying out and i wanted it a little bit louder. what i wanted to know was what size exhaust would be best to go with? so far i have a explorer pi motor, brain coated ported exhaust manifolds, cold air intake, and in the future im looking at doing some cams and few other minor bolt ons with a retune. any suggestions are appreciated. thanks.
Road warrior extrodinaire
Join Date: Feb 2006
Location: Home Sweet Home: Charlotte, NC
Check this thread out. There are many of us running this system. There are some good pictures of this system installed and a video or two of how it sounds.
Mods? Yea, I got mods ...
Air silencer delete, warp drive, dilithium crystals, flux capacitor, Slingshot Rubber band power adder, Moonshine & Gas, Leaf Blower Supercharger, Hamster Wheel & Hamster, Energizer Bunny generating 1.21 gigawatts, Mr. FusionŽ Home Energy Reactor, hover conversion and a sextant celestial navigation system (The original GPS)
Best 1/4: 1,320 nanoseconds @ 670,616,629.2 miles per hour
"There isn't that much difference anymore between spacecraft, aircraft and modern automobiles..." - Keith Henry, NASA's Langley Research Center
See a list of my real mods and pictures of my car HERE. The true performance of my car was made possible by the Carolinas Crew Chief, RobertP at Rob's Tire & Auto
i already looked into that before, and the shop that im going to can bend a whole new exhaust for me for around 250. im going to do high flow cats and an x pipe as well, and was stuck on if i should go with a 2 1/4 or 2 1/2 inch pipe.
13's or Mildly Broken
Join Date: Jul 2002
Location: Blair, Nebraska
I had 2.5" on a bone stock NPI motor and didn't feel a difference in performance or anything (I think I remember some people saying they lost torque?) If the shop can do 2.5", I'd just go with that and be done with it. That way you've got space to grow down the road in case you decide to.
1994 Thunderbird SC 3.8L Supercharged
1999 Crown Victoria P71 4.6
2000 Explorer 5.0
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