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We have the V10 6.8L in our '03 Excursion and when we looked at the exhaust wand notice it wasn't welded . So we experimented by unbolting the last half of the exhaust so the cats are still on, and we like the sound better than the flow masters. And we went to radio shack and borrowed their decible meater. It was 98bd under the truck and legal is 92 bd, so as far as loudness goes we shouldn't have any probs for being to loud. So my question is how is the performance affected by having no muffler on the truck and what is it affecting, like horse power, torque, gas milage, probelms, and what ever else you can tell me. Thanks!!!
if walmart still carries a DB meeter they are $16 in the car audio section, digital read out. i HAD one, till a while back when i left it outside...........they are NOT water proof, found that out after the rain storm, haha!
here are some sound clips of some different V10 set ups. personally i like the sound of the FM on the V10, but to drop the DB's just a touch i'd say the Dynomax race bullets. they are straight threw, with some packing on the out side to reduce noise.
It's ok but when the truck revs with the FM the exhaust it makes more of a whoosh sound that doesnt belong on a truck and the noise from the engine was louder than the exhaust and the only way to here it was to stand next to the tip, plus at the stop lights it is really anoying when a little v6 tacoma pulls up next to you and sounds more agressive than you. Now we can here the exhaust over the engine with the windows up and it makes a much deeper and intimidating rev that can make a ram sound like a prius.
It's ok, but when the truck revs with the FM the exhaust it makes more of a whoosh sound that doesnt belong on a truck and the noise from the engine was louder than the exhaust and the only way to here it was to stand next to the tip, plus at the stop lights it is really anoying when a little v6 tacoma pulls up next to you and sounds more agressive than you. Now we can here the exhaust over the engine with the windows up and it makes a much deeper and intimidating rev that can make a ram sound like a prius.