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Old 02-20-2014, 12:05 PM   #103
FR-Slide
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Join Date: Apr 2013
Drives: 13 Whiteout 6MT
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Any more information on the new Driveway diffuser?

Copy/pasta from another thread, as I have a question about it:

Originally I was just going to get a muffler delete, like a Berk Dual or maybe Nameless, since the price was right and I was mainly after the sound. Power is definitely lacking, but it's a daily first, so that's not the worst thing, and it's not like axlebacks ever give any gains anyway. I was going to pick up an OEM-style lower "diffuser" to complete the rear of the car, but didn't want to exacerbate the parachute effect.

So, I started looking at stuff like Driveway Lab's diffusers, which both looks badass and is functional. But not cheap.

So then I started thinking that I could just leave the axleback alone, and try to get sound out of the front of the exhaust. Was looking at FT86SF catted UEL headers, since I don't really want to get a tune or deal with potential CELs with spacers. But in all their videos, the exhaust sounds almost stock with the header, which kinda goes against the whole reason I started out on the exhaust... The torque gains are great, and I guess I wouldn't mind having the car be quieter, and I do like the UEL rumble, even if it's quiet. But it seems like adding anything downstream of the header gets loud, fast.

So, for about the same cost (~$850) I could either get:
- Catted UEL header
- Muffler delete and diffuser
- Something else (like a FP/OP/catback set up)

Any thoughts on which path would be best?
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