Question about Downpipe and U-bend delete
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From: Yellowknife NT Canada
Question about Downpipe and U-bend delete I was searching up on the hogan downpipe (with HF cat) and didn't find what I was looking for.
Tax time is here and I want to look in to a downpipe, I have a Magnaflow cat-back already....Will the hogan downpipe lose any power? and also will it throw any codes?
And If I don't go with the Downpipe, I seen that my Car has a U bend, If I delete that will it make a difference?
Thanks
Tax time is here and I want to look in to a downpipe, I have a Magnaflow cat-back already....Will the hogan downpipe lose any power? and also will it throw any codes?
And If I don't go with the Downpipe, I seen that my Car has a U bend, If I delete that will it make a difference?
Thanks
This info is easily searchable.
Yes it can throw codes so plan on getting a tuner. Power loss, well you might lose a bit of torque but will gain HP so its a good mod for us as we have plenty of torque available. I was very happy with mine when I had it.
Yes it can throw codes so plan on getting a tuner. Power loss, well you might lose a bit of torque but will gain HP so its a good mod for us as we have plenty of torque available. I was very happy with mine when I had it.
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not enough of a bend on our cars to even worry about it... at least not on my monte it isn't.. had to really look for it to even see it...
had 2 exhaust guys tell me it wouldn't gain or do anything for me cuz it was so miniscule, and to just leave it...
had 2 exhaust guys tell me it wouldn't gain or do anything for me cuz it was so miniscule, and to just leave it...
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06MonteSS / DiabLew Tune
2014 Camaro 2SS/RS - LS3, 6-speed manual, short-throw performance shifter, NPP dual-mode performance exhaust, 1LE front splitter, ZL1 rockers, Z28 Rear Spoiler, all paint-matched Red Rock Metallic, BMR strut tower brace, Cold Air Inductions cold air intake, Apex Motorsports, Inc. catch-can, Custom DiabLew Tune
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06MonteSS / DiabLew Tune
2014 Camaro 2SS/RS - LS3, 6-speed manual, short-throw performance shifter, NPP dual-mode performance exhaust, 1LE front splitter, ZL1 rockers, Z28 Rear Spoiler, all paint-matched Red Rock Metallic, BMR strut tower brace, Cold Air Inductions cold air intake, Apex Motorsports, Inc. catch-can, Custom DiabLew Tune
www.diablewtune.com -- www.diablocustomtune.com -- www.diablocustomtunegm.com
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The biggest restriction on the stock down pipe is the inlet. Right after the flange it shrinks internally to about 2 to 2 1/4 inches. To me it doesn't make sense to have a high flowing cat back system with such a restrictive exhaust further up, unless it's just for sound.
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From: Yellowknife NT Canada
so the stock downpipe is bad.....I have to look into an new downpipe.....I have a friend here that just bought a G8 GT and bought the HP tuner, he said he can tune my car....(he works at GM here)
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From: Yellowknife NT Canada
Okay I might get the downpipe after all, I hope its worth it......my magnaflow cat back is sagging (the center pipe) so I have to take it in the shop, and I can get them to install the downpipe.....should I leave the resonator on? i dont want the exhaust to be raspy.
Thanks for the info
Thanks for the info
WBody Store buys them from Hogan. WBody store is a good company and I would recommend them. I know the owner Mike and he is a great guy, fantastic customer service and a hell of a good drinking buddy!
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well I got paid today, I didn't buy the downpipe total was going to be 430.00can from 335.95us, so I ordered smokes LED tail lights and GXP 3rd brake light sticker, total was 362.00can and tomorrow I will be ordering the Airaid TBS....one of these months I will be getting the downpipe....BTW the car is still in the snowbank....I would like to thank fastLS4 and sittingmongoose for there help in the PM's.
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Hey WilliamGT, I would not worry about the cat unless you are going to do some serious mods.
Here is a quote straight from GM:
With its front-drive layout, the LS4’s exhaust manifolds are joined by a crossover pipe, with a single, high capacity underbody catalytic converter.
Here is a quote straight from GM:
With its front-drive layout, the LS4’s exhaust manifolds are joined by a crossover pipe, with a single, high capacity underbody catalytic converter.
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From: Yellowknife NT Canada
Hey WilliamGT, I would not worry about the cat unless you are going to do some serious mods.
Here is a quote straight from GM:
With its front-drive layout, the LS4’s exhaust manifolds are joined by a crossover pipe, with a single, high capacity underbody catalytic converter.
Here is a quote straight from GM:
With its front-drive layout, the LS4’s exhaust manifolds are joined by a crossover pipe, with a single, high capacity underbody catalytic converter.
I was looking at this down pipe from hogan DP5S, just get an exhaust shop to weld the stock cat on it.
http://www.hoganperformance.com/DP5S.htm
