Anyone know wat most shops charge for installing headers and a mid???

 

Not sure about this because I do all of my work myself, but I think its around 500-600$

 

not to steal the thread but how bad was it to intall the lt's ^i hav a pair of mac'sand the matching h pipe with high flow catslaying around that i badly wanna put in id do it with my uncles lift but how long and wat did u do. the midepipe is gonna be a little pain too cause my exhaust was welded up whn i bought the car so im gonna hav to re weld it to put the new midpipe in. any tips would be helpful