Knightdulac

83 RX7

Can I remove cat and replace with straight pipe or something ????

Is this good ..bad or other???

Thanks

Sparky69

good thing take it off..

Pele

iTrader: (28)

Do ya gotta pass emissions? If not, ditch it.

Knightdulac

No don't have to pass anything around here was worried about performance ...is the blocking off of anything else needed or a problem???

1984special

Illinois don't have no emissions? Shucks. I was about to go to Urbana Champaign for college, but didn't get into their engineering program (top tier). I would've LOVED to zoom around in a smog-exempt rotary...

Happy polluting! I mean rotoring of course.

1st to 3rd

Option #1) http://www.rx7.com/cgi-local/1catalog.cgi?cat=4&part=2
Cheaper, but don't gain as much since the stock manifold is retained.

Option #2) http://www.mazdatrix.com/r-8.htm
Header and Pre-sliencer is the way to go IMO.

Knightdulac

Thank you ..

And in the South ...... sort of out of the way

zaridar

iTrader: (3)

Yeah go straight pipe
unless you are worried about noise you might want a presilencer rb has great ones!

brianmcd

I'd go with the full racing beat exhaust if you have the money. I have it on my 1983 GSL and it is awesome. It removes the cat, puts a presilencer in. Removing the cat will give you some horsepower, especially since it's probably a little clogged on a 20 year old car.

Rx7carl

With the stock exh manny and stuff, a straight pipe wont be that loud. www.testpipe.com like $30. But I'd suggest you gut the precats if they are not already hollow.

zaridar

iTrader: (3)

Or you could stick a pipe through your cat and weld it in thats what i did so if a cop pulls you over and takes a look its still there but actually its a straight piped exhaust!!!

Rx7carl

Ahhhhhhhhhhhh veddy veddy slick!