Preview - GRP turbo back system

ctrmofo

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Preview only...

Playing with phase 2 (intake, IC, DP, exhaust, springs, and rear sway bar) today to get a feel for dynamics before installing phase 3 (@Hondata ). I can tell torque increase in low to mid driving around a bit.

Some quick sound clips for preview just to see how @GrahamRahalPerformance continuously variable turbo back (sports cat DP, midpipe and backpipe) system sounds like...working in concert with @Mishimoto intake and @PRL Motorsports IC.

1) Clip is idle and revs with boost controller set at 14-15 psi. Valve doesn’t open since car won’t get more than 6-7 psi max at a stop with no engine load.

2) Two quick flybys with boost controller set at 10-12 psi so the valve variably opens sooner with less engine load in 2-3 gear upshift.

Full review and write up soon...





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ctrmofo

ctrmofo

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this is inside the car, windows up, idling and rev'ing. loving it because cabin is as tight and solid as stock but with a tight, deep bass about 10-15% more than stock sound.

 

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loving the sound! Although the tips are not my taste. Any clips of cabin cruising?
 
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loving the sound! Although the tips are not my taste. Any clips of cabin cruising?
there may be choices of tips down the road...i don't know or can do custom tips i'm sure.

not yet...haven't had chance to since i don't have my gopro with me but will do soon. for now i can describe it as about 15% more volume than stock cruising on fwy at say 70 mph...enough to know it's there lurking but not enough to be annoyed or tiring. rather cool i think and how stock exhaust should have been. then - depending on what you set the boost controller at - you floor it in 6th or drop down a gear and hit that boost level with engine load on...it rolls smoothly yet quickly into a silly smiling increased scream.
 
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When your 2 kids in their pop and crackle APR stage 2 tuned Audi S3 films your @Hondata tuned CTR's flyby in 3rd gear hitting that set boost controller at 10-12 PSI for the @GrahamRahalPerformance turbo back's valve to open through the straight center pipe...with quick pops between shifts
Honda Civic 10th gen Preview - GRP turbo back system 1f3ce
Honda Civic 10th gen Preview - GRP turbo back system 1f601


Btw my CTR with intake, IC, DP, mid pipe, back pipe, and Hondata custom calibrations pulls away from my 2015 S3 APR stage 2 with intake, IC, DP, and resonator delete...in case you wonder
Honda Civic 10th gen Preview - GRP turbo back system 1f937_200d_2642


 


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more clips...

1) idle and reving inside cabin while parked:


2) inside cabin cruising at 70 mph in 6th gear then drop down a gear with set boost level on and valve opens:


3) inside cabin accelerating 1-2-3:


4) fly by with 2-3 shift, hitting set boost level and valve opens:


5) fly by with easy 3-2 downshift and hit boost level in 2 and valve begins to open:


6) grp test run post install:


7) grp test roll deceleration:
 

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sounds awesome mike, where in MD do you live? able to stop by any meets Id love to hear this in person.
 

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sounds awesome mike, where in MD do you live? able to stop by any meets Id love to hear this in person.
I'm in Laurel. I try to go to a C&C once in a while, I was at Katie's yesterday and also C&C in Bethesda.
 

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New to the community but I immediately recognized my home territory when I watched these vids shout near Toy Barn! Do you use their facilities?
 


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New to the community but I immediately recognized my home territory when I watched these vids shout near Toy Barn! Do you use their facilities?
I get some work done there for maintenance on my other cars. Owner is a friend of mine.
 

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I'm in Laurel. I try to go to a C&C once in a while, I was at Katie's yesterday and also C&C in Bethesda.
awesome, have you ever been to hunt valley horsepower? they hold a c&c there every saturday morning. I love kinda close to there, let me know if you ever plan on coming through!
 

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awesome, have you ever been to hunt valley horsepower? they hold a c&c there every saturday morning. I love kinda close to there, let me know if you ever plan on coming through!
I've heard of it. It's a little far away but i might venture out one weekend.
 


 


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