h-pipe

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04-05-2006, 10:45 PM

m_ross05

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h-pipe

anyone know what kind of horspower increase to expect by replacing the 4 cats with a h-pipe and leavin the stock mufflers?

04-05-2006, 11:02 PM

live4motocross11

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RE: h-pipe

i hear like 5-10

04-05-2006, 11:04 PM

m_ross05

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RE: h-pipe

yea i forgot to say its a 95 h.o. but its probly still the same....yea 5-10 is about what i was expectin since its an h instead of x

04-05-2006, 11:07 PM

m_ross05

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RE: h-pipe

im hopin it will sound better....although not complaining with stock sound

04-05-2006, 11:13 PM

89GTRed

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RE: h-pipe

Quote:

ORIGINAL: m_ross05

im hopin it will sound better....although not complaining with stock sound

it definitely will

04-06-2006, 12:16 AM

odogg88

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RE: h-pipe

I THINK ITS A BIT MORE THAN 5-10, STOCK H IS VERY RESTRICTIVE, I HAD AN H OR H PIPE AND WENT BACK TOHIGH FLOW CATS IN PREP FOR MOVING BACK TO NEW YORK, AND THERE WAS A BIG SEAT OF PANTS FEELING.

04-06-2006, 12:59 AM

ZachW04Stang

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RE: h-pipe

If you gain any horse power i don't think you will notice it on a stock car. I could barely spin my wheels after swaping off my cats. But it sounded so great I didn't mind.

04-06-2006, 01:01 AM

Tims 88GT

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RE: h-pipe

5hp to the tires at MAX

04-06-2006, 01:24 AM

OnyxCobra

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RE: h-pipe

yeah i dont think you're gonna be gaining any hp, but i guess it could happen. I did a full exhaust and didnt really pick up any time at the track :shrugs:

04-06-2006, 03:24 AM

#10

m_ross05

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RE: h-pipe

yea its one of the off road ones so no cats on it... all of the cats are clogged a little right now so anything will be better than it is now...we had a guy test the cylindar compressions and 3 of them are only running bout 80 lbs...he said probly 3 of the valves need reseeted...we were guessin the clogged cats are what caused it