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Discussion Starter #1
Hi

I have a 2017 civic coupe touring and Im not a fan of the hidden exhaust. So im just wondering if anyone here knows if we can swap out the rear diffuser with a Si diffuser that has the opening in the middle and also change the cat back with a Si catback.

From looking at pictures and Si coupes in the dealership, the rear bumpers look identical to the non Si to me. The only difference is the diffuser piece, so im wondering if its a straight swap without many modifications?

Also will a catback Si exhaust bolt on to the non Si without many mods?

Thanks for any info.
 

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Registered
Joined
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1 Posts
Hi

I have a 2017 civic coupe touring and Im not a fan of the hidden exhaust. So im just wondering if anyone here knows if we can swap out the rear diffuser with a Si diffuser that has the opening in the middle and also change the cat back with a Si catback.

From looking at pictures and Si coupes in the dealership, the rear bumpers look identical to the non Si to me. The only difference is the diffuser piece, so im wondering if its a straight swap without many modifications?

Also will a catback Si exhaust bolt on to the non Si without many mods?

Thanks for any info.
Did you ever get a reply to this? I'm interested in doing the opposite...going from the HDMI exhaust on my Si to a hidden style?
 
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