HELP!! my 90 turbo is SHootin SPARKS out its Tail
 

So im driving and the car starts chuggin and i down shift its fine for a bit then starts chuggin and pow pow pow sparks start commin outta both exhaust pipes,

just wondering if anyone knows what this may be,
it happens after like 10-15 min of driving , its the second time its happened really bad and the car wont speed up,


if anyone can give me some advice that would be awesome!!
thanks
Bri

Sounds like the cats are plugging and breaking up, or you have a lot of carbon build up in the exhaust.

Is the car still lacking power?