Hi All.

I've got a bugeye wrx with a prodrive backbox. I'm wanting something a little louder than that. Nothing that involves removing cats as I've had a full system but it were way to loud for commuting on the motorway. 
I've been told that Ninja backboxes aren't an improvement with the cats in place. Is this true? Any other recommendations would be cool.

 

Thanks

Haywood and scott are spot on. 

DC sports.

Ninja. 

All personal preference but i had a haywood and scott on my 98 wagon and was quiet til ya give it some beans.

dont go for a nur spec though as your fillings in ya teeth will come out lol.

Define "improvement"

The way I see it, You won't get any performance gains from just a backbox.

I'm currently running a nur spec cat back and yes it's loud.

Loud pipes save lives

On 2/27/2018 at 5:35 PM, mattiekane said:

Define "improvement"

The way I see it, You won't get any performance gains from just a backbox.

I'm currently running a nur spec cat back and yes it's loud.

Loud pipes save lives
 

Noise level in this case. I know I won't see anything power wise but I just want to actually here the car when driving rather than me actually having to put my foot down to create any noise.

There's 2 more cats in the mid section, so if you start with an axle back and find it's too quiet have a look at removing the cats in the mid pipe

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Cheers I'll have a look at that option as well.