WR Sport back box
#1
WR Sport back box
Hi
I have a MY04WRX does anyone know how much BHP you gain with this back box if any . The car is leased so I have to use Subaru approved accessories.
I have a MY04WRX does anyone know how much BHP you gain with this back box if any . The car is leased so I have to use Subaru approved accessories.
#2
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Join Date: Feb 2002
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I had one of these on my Sti before the PPP was fitted. You won't get much if any power gain but they do sound good.
I sold the back box to a fellow scoobynetter for around £100 quid and have seen a few on for sale section since.
Robsta
I sold the back box to a fellow scoobynetter for around £100 quid and have seen a few on for sale section since.
Robsta
#3
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Hi,
A backbox won't make much difference to BHP, maybe 5-10 if your lucky. The only route to big BHP gains is removing the cats. It will sound better though
A backbox won't make much difference to BHP, maybe 5-10 if your lucky. The only route to big BHP gains is removing the cats. It will sound better though
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