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#1 |
Registered User
Join Date: Dec 2020
Location: Placerville
Posts: 1
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I want to hear some opinions. Curious what ya'll think.
I currently have a 1969 327 small block in my 84 k25 high sierra. Decided to put on ram horn style exhaust manifolds cause I needed something worthwhile that would fit my 4x4 chassis with mechanical clutch linkage, so I decided to keep it simple with new ram horns. New ram horn had 2.5 collectors, so I had the exhaust shop put on dual exhaust. Here's the opinions! I wanted my truck quiet so I saw that squarebody trucks with the 454 came with quiet-flow 2.5 inlet/2 outlet mufflers. If that muffler is okay for a 454 should be okay for my 327. Now I have ram horns with 2.5 dual exhaust with 454 mufflers. Well my local exhaust gave me some s*** for putting on those mufflers. Said it was to restrictive. My truck runs great and is quiet now. What you think. Curious. Are those mufflers to restrictive??? Down the road I'll put in a fresh 350, but even a stock 350 my exhaust should be fine, I think. I can always change to performance mufflers down the road. |
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#2 |
Born Psycho
![]() Join Date: Feb 2001
Location: brentwood,cal,usa
Posts: 4,862
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Re: 84 K25 Exhaust Opinion
those mufflers are fine. it'll never pass commifornia emissions test- i know you don't have to smog up there unless you are selling-YET. they are trying to pass laws so the entire state has to do the emissions test no matter where you live in this wonderful state. they are also mandating cameras on every smog machine to eliminate "clean plugging" on OBDII and clean piping OBDI. It's coming so be prepared. I work in a shop that does smog's and the state is really tightening the screws on this emissions crap. one other problem-it's illegal to install an older engine in any emission controlled vehicle.
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jerry moss 72 cheyenne super K20- tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,tow hooks,bumper guards,toolbox,aux. fuel tank,posi front and rear,plus other goodies!!! SOLD 69 suburban K20-tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,4 inch all spring lift,4 speed, 14 bolt full floater, dana 44 HD,warn winch,posi front and rear,tow hooks,plus other goodies. 73/80 chevy/gmc K20 SB400,turbo 400,205,tilt,a-c,gas hog. 77 K/5 cheyenne blazer-daily driver/beater. SON HAS IT NOW BRENTWOOD,CALIFORNIA |
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dual exhaust, muffler, performance, ram horn, restrictive |
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