High Output question

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Jan 1, 2003 | 02:21 AM

pepperdad

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High Output question

i have an '85 camaro iroc z (305 T.P.I., 700-R4 trans, automatic) and i was looking to buy a hooker cat-back exhaust system for it. this might be a dumb question, but i dont know if my car is High Output or not. please let me know if there is a way whether i can find out or not. thanks.

Jan 1, 2003 | 03:12 AM

IROCZTWENTYGR8

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From: In a mint Third Gen!

Car: Red 87 IROC-Z28 T-Top

Engine: 5.7 Tuned Port Injection

Transmission: 700R4 Auto

Axle/Gears: BW 9-Bolt 3.27

You have an LB9, the L69 was called the 305 H.O. engine. I'm not sure, but I think some do refer to the 305 TPI as H.O. also.

Jan 1, 2003 | 11:31 AM

tbfirebird

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Joined: Dec 2002

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From: waukesha,WI

Car: Black 89 Formula

Engine: ??????????

Transmission: ??????????

would the vin # help

Jan 1, 2003 | 12:34 PM

Mark A Shields

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Joined: Jan 2001

Posts: 7,164

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From: Someone owes me 10,000 posts

Car: 99 Formula

Engine: LS1

Transmission: T56

Axle/Gears: 342

I'm pretty sure it's only for the HO 305 carb cars. Look at your cat, does the back end have a 4 bolt rectangular flange? if so, it will bolt right up, if not, you will need some fab work done.

Jan 2, 2003 | 12:36 AM

iroc22

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Joined: Jan 2001

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From: Surrey, BC

You need PN#16822.

Make sure you still have the original catalytic converter though; should have 4 bolt flanges if it's the original one (as mentioned above).