I'm looking to pick up a J's or Top Secret rear diffuser, and the only thing holding me back is not knowing how much modifying needs to be done for this set up.

I've had people tell me it was necessary to cut out a whole piece... then there was some who say only brackets need to be cut--

Could anyone with an HKS dual exhaust and either of the two rear diffusers please enlighten me as to the specific modifications required???

Thanks.

 

The Diffuser itself need to be cut accordingly to your exhaust pipes and also the brackets sometimes need to be bent out of the way. For some exhaust a large portion of the diffuser in the rear needs to be cut away, others don't need any modifications at all.

Its not THAT much work, but you do need to cut into your precious and expensive diffuser

 

I've got an Invidia dual and a top secret diffuser. Not that much cutting was required. The only thing was that the brackets that are towards the front of the car weren't long enough. I picked up some gate hinge brackets at home depot and they work great.

 

For me I have the J's diffuser and mine bolted right up with no problems.

 

bump

 

which exhaust do you have?

 

i have the same exhaust as the OP (HKS dual) and i have a replica Top Secret diffuser on the way. it already has slight cuts in it from the previous owners' Invidia. if i have to cut mine i'd be happy to take pics and show you after i do it.

 

Comptech duals

 

can someone post pics of a modified diffuser?

 

you can see the small cut the guy made to accomodate the Invidia muffler