Morrissey25

iTrader: (4)

I think that you should be able to notice a difference in sound from the videos that I posted. The sound with the HFPC's is a little bit deeper and for me, I feel that I can feel and hear the engine "growling" more with the HFPC's. I'm sure that if you chose to go with the PCD's you would hear and feel the power if the engine even more. As far as power, I did feel the power increase... especially in the mid range. Because the engine is creating easier, I feel that the car felt lighter and quicker.

vp55

iTrader: (6)

^Morissey-Do you think an Injen CAI with RV6 Jpipe & the HFPC would be a good combo for a TL-S? Did you notice a huge gain with just these mods, or would you say you need Richie's exhaust to really notice any gains.

I LOVE Richie's exhaust but I feel it is to loud for daily driving, not only this but cops here love writing exhaust tickets..

Morrissey25

iTrader: (4)

CAI or not, the gains with just the J-pipe were amazing. I'm not sure if I noticed the J-pipe gains more because it was my first modification to the exhaust. I would be curious to know what the gains would feel like if I installed the HFPC's first...

Either way, the HFPC and J-pipe combo are absolutely amazing. From my personal experience and all of the reviews that I read about the RV-6 line of products, I don't think that you can go wrong with any combination of products.

I am not sure of your level of DIY-ness, but I HAD to pay someone else to install the HFPC's for me. If you are the same as me, you will be looking at the cost of the HF Cats and installation fees that will put you around $800-$900... The exhaust was such an easy install and it looks so damned amazing... Why not just spend a couple extra bucks and go for the exhaust... Im sure it wouldn't be to loud with the stock cats on...

sauceja

iTrader: (2)

Would the gains be that incredible to go to HFPC's or just stay with Type-S cats' and run Rv6 Jpipe-3 and truduals (if you could get a set) say if the extra money right now isn't swingable.......

That should give it a little lower tone - guarentee no rasp. and still open up the engine after a 14" cat.
Or is there a market to sell s cats to reg. tl owners??
And install would not be a prob. with modern technology - pneumatic tools and specialty tools coming down in price and availability. (Still want my jetpack)

I decided to get some H&R springs so those installed will take away from PC's at current moment. Scared of heights.

Morrissey25

iTrader: (4)

I never thought about that. The base TL has a 900-cell per-square-inch cats whereas the TL-S has 600-cell per-square-inch high efficiency catalytic converters... then it is reasonable to say that base owners would benefit from TL-S cats. I'm just not sure that it would be worth the hassle to change it over...

As for the other question... If Richie said that he would produce more exhausts, then I would jump on them ASAP!!! But since it looks like that won't happen for some time (if at all), then go ahead and get the HFPC's.

vp55

iTrader: (6)

I never thought about just doing the JPipe and exhaust, which makes sense as it shouldn't be as loud as getting the PCD or HFPCDs? I just would like to hear how it sounds before making the big getting my hopes up on the exhaust.

I think I will PM or call Richie and see if he even is thinking about doing the True Dual Exhaust again. Thanks man.

Morrissey25

iTrader: (4)

Here is a sound clip while driving through a tunnel. My camera doesn't quite capture the feel and the sound of it all but you'll get an idea for yourself

http://www.youtube.com/watch?v=nYHkm7WKk7M

force-fed hybrid

Dyno! Dyno! Dyno! Lets see some dyno numbers with the true dual. I want it but would really like to see some numbers. Sounds great by the way

Morrissey25

iTrader: (4)

I would but I don't know where to Dyno my car

I suppose if anybody has a hook up with Dyno testing in the Tri-State area then let me know

And I promise that I will go and take another film in a tunnel and I promise that I will do a better job. My camera is in the car and its waiting for another opportunity to face a tunnel.

Morrissey25

iTrader: (4)

Here is my second try at the Tunnel. I stopped and gave one rev and then went through. The car shifted to 2nd but I wasn't really able to capture the sound there. I think that I'll have to take another trip through.

http://www.youtube.com/watch?v=bZWXzdRFWRo

justnspace

iTrader: (1)

I was in the middle of reading this thread. and had to quote.
This made my day.

maddsiick

This thread made me bit the bullet and finally order the HFPC. I have to say it was money well spent. I definitly feel a little bit of a power gain and I feel like there is a more low end torque gained from them. They also changed the sound of the exhaust setup a little, it sounds more aggressive than before (ATLP Base-resonated/Rv6-v3 jPipe). It's definitly worth the money if you have it to spend.

Morrissey25

iTrader: (4)

^^^ Glad that I could help you to spend a little more money on your car

Joey tl

Here's my 2 cents. Have been running These HFC for about 2 week all I could say is WOW. Car feels lighter, excellent response, power gain is very noticeable. Quality and fittment top notch. The car has a deeper tone but raspy as hell at wide open throttle driving normal no rasp and I have no smell at all. Money well spent I love them.

maddsiick

I don't hear any rasp when driving. Do any of you guys hear rasp?

Morrissey25

iTrader: (4)

No Rasp here

TheChamp531

iTrader: (3)

^you hit the yellow line!

ken08tls

I am planning to dyno test the RV6 products on my 08 TLS as soon as Richie finishes the next batch of exhausts. It will go as follows...

Dyno Testing:
-baseline run
Round 1:
-jpipe
-pcd jpipe
-intake pcd jpipe
-exhaust intake pcd jpipe
Round 2:
-hfpc jpipe
-intake hfpc jpipe
-exhaust intake hfpc jpipe

I'm hoping to have #'s by the end of February. So stay tuned...

04TL4P3

iTrader: (1)

Subscribed! I just ordered the hfpc and I installed the jpipe a few weeks ago and love it!

Joneill44

Whats the difference between the hfpc that Richie puts out and the hfc that XLR8 has?

Andy270211

I guess it really is just personal preference in terms of sound and possibly different performance numbers. I'll let someone else give you the technical differences.

04TL4P3

iTrader: (1)

The short answer is they are two different things...the hfpc's replace the two PREcats on the exhaust system and the xlr8 high flow cat replaces the 3rd cat which is located after the jpipe on a stock setup...

Morrissey25

iTrader: (4)

What he said.

As far as any differences with J-pipes and catbacks between the different vendors... It is all personal preference. The exhaust note might be more aggressive with one over the other, cost may be a factor, or even timing... The great part about this forum is that there is so much knowledge and experience to pull from... There are so many videos and reviews out there so that we may make an educated purchase

I for one know that the RV-6 line of products is top notch and I would recommend their products to anyone. Richie has always been a great guy to do business with and he has done so much for the ACURA/Honda community.

04TL4P3

iTrader: (1)

Any update on dyno numbers?

Morrissey25

iTrader: (4)

Not yet. I have to get in touch with the other member and see when he has some time.

ShadowAcura

sweet sounds makes me even more pumped to get mine installed....sidenote question what you lowered on?

Morrissey25

iTrader: (4)

At the time this was installed I was on A-Spec suspension (AT). I just switched over to the TEIN SS.

maddsiick

I'm starting to hear the rasp at WOT. Its tolerable but would like to eliminate it. Anyone else seen this or fixed this? Still worth the $$ for the upgrade though.

rockstar143

iTrader: (6)

the RV6 True Dual exhaust is the rasp annihilator...

DC2many

^partee lyk a rawk star

rockstar143

iTrader: (6)

...and you know this...










MANNNNNNN!!!!

Bruce Banner

iTrader: (2)

HFPC only?

rockstar143

iTrader: (6)

That was my guess...

typeR

just thought id throw this out there ...hondas notorious valve tick... is almost alway the PCV and is why lotso hondas "burn" oil have failing rear main seals and clogged EGRs

rockstar143

iTrader: (6)

Hmmm...must look into that.

sauceja

iTrader: (2)

I wish I could justify the price for the HFPC, but the RV6 TruDual Exhaust is a sexy mo-fo..

Half the reason I bought mine last year was this thread.

Bruce Banner

iTrader: (2)

Morrissey25: what did you end up doing with your TLS pcats?

Morrissey25

iTrader: (4)

They are sitting in my attic collecting dust

echike

Sorry for bumping an old thread. Noob here: but does anybody know what the MPG would is like with this set-up. I currently haven an AEM v2 CAI installed but am interested in getting the HFPC, rv6 j-pipe and exhaust and just wanted to have an idea of the mpg after the mods. My car is an 08 TL type-s automatic transmission.

Thanks in advance

sockr1

iTrader: (5)

I get 24 mpg with the mods below, probably 65% highway with my "sticky" all season tires (Bridgestone potenza re970s = awesome)

26 mpg when I had less sticky all seasons (nitto motivo)