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1990 S-10 4.3 V6 with flowmaster 40 and highflow cat

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Uploaded by on Jan 5, 2008

This is just start up with a few revs

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Autos & Vehicles

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Uploader Comments (jmc6000)

  • sounds real good for the six man awesome! you did it right with the high flow cat on top if it all! the computer does not throw a code from the set up does it?

  • @James89RL No code thrown since in 1990 there was not an O2 sensor after the cat.

  • What kind of cat do you have?

  • @124maddog1 60 dollar autozone special!

  • Sounds Good Bro! I am going to the muffler shop today to take off a Thrush Welded and put on a Flowmaster 42441. I am considering him put on dual pipes out the back. Will that make a difference??

  • @MrKharper123 No difference, dual pipes are just for looks.

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All Comments (236)

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  • nice sound man, these motors can put out some nice torque

  • So thats how my 91 s1 blazer could sound huh,, nice

  • @James89RL It's OBD1 only has an oxygen sensor to adjust fuel trims.

  • has your gas mileage decreased at all? im thinking of this setup on my 03 sonoma.

  • I cut the cat off the s10 i had and put a super 44 on it, it sounded just like a v8, I plan on doing the same with the s10 blazer 4x4 i picked up

  • I just had my dual cherry bomb glass packs taken off and the FLOWMASTER SUPER 40 2 1/2" pipe into 3" tips God that shits awesome love your setup mines the 1993

  • it sounds a little too busty but it sounds good it has that bad ass v6 rummble!. me myself i think v6 is the way to go yes v8 has more hp n tq but i cant get enuf of the way my v6 runs n sounds i dont have any vids of it on here but ill make 1 or 2 of a get down 25-60 n rev up its a 94 gmc sierra 4.3 262 v6 vortec flowmasters dumped!. ttyl

  • @HotshotMC2 as long as you keep the proper size pipe for your engines out put and you have enough pipe length you dont have to worry about back pressure. if uget headers with a slightly larger diameter collector , it should still be ok, but you can always put a reducer on it. im getting ready to do a cat delete on my 5.7 sierra, im leaving the stock size pipe on it and keeping the same length and i already have flowmaster super 40 delta flows on it. it is true dual exhaust which also helps

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