Exhaust Query
10-22-12, 04:59 PM
#16
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If your car is older than 1999 you can remove the cats.
I just got back from the exhaust shop. Had her on the hoist & it has 2 o2 sensors near each cat & he reckons at worst it may trigger the ECU into limp mode. At best will just trigger a code & engine light. But also said it would be quite loud......mmmmmm. From what he said & others it seem's like a waste of time, grrrr. The exhaust has a reasonable back note but would like it a bit louder just not OTT.
I just got back from the exhaust shop. Had her on the hoist & it has 2 o2 sensors near each cat & he reckons at worst it may trigger the ECU into limp mode. At best will just trigger a code & engine light. But also said it would be quite loud......mmmmmm. From what he said & others it seem's like a waste of time, grrrr. The exhaust has a reasonable back note but would like it a bit louder just not OTT.
10-22-12, 05:00 PM
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10-22-12, 08:10 PM
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Well the current set up is twin cats.....2.25 twin into one.....single muffler........twin 2.25 to the tip with quad tips. Sounds nice & throaty just would be nice to sound a lil more badass, just not OTT.
I asked the muffler man if switching out the current muffler to a Coby resonator or similar would make much difference & he didn't seem to think so.
I asked the muffler man if switching out the current muffler to a Coby resonator or similar would make much difference & he didn't seem to think so.
10-22-12, 08:16 PM
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Well the current set up is twin cats.....2.25 twin into one.....single muffler........twin 2.25 to the tip with quad tips. Sounds nice & throaty just would be nice to sound a lil more badass, just not OTT.
I asked the muffler man if switching out the current muffler to a Coby resonator or similar would make much difference & he didn't seem to think so.
I asked the muffler man if switching out the current muffler to a Coby resonator or similar would make much difference & he didn't seem to think so.
10-23-12, 01:09 PM
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10-23-12, 02:02 PM
#23
so you have the two cats going into a single center muffler that's dual input and one output, into your muffler?
if so obviously an x-pipe wouldnt work. a y-pipe would, and you could follow it with a small glasspack resonator.
you should visit the exhaust design thread that's available in the stickies
if so obviously an x-pipe wouldnt work. a y-pipe would, and you could follow it with a small glasspack resonator.
you should visit the exhaust design thread that's available in the stickies
10-23-12, 02:51 PM
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so you have the two cats going into a single center muffler that's dual input and one output, into your muffler?
if so obviously an x-pipe wouldnt work. a y-pipe would, and you could follow it with a small glasspack resonator.
you should visit the exhaust design thread that's available in the stickies
if so obviously an x-pipe wouldnt work. a y-pipe would, and you could follow it with a small glasspack resonator.
you should visit the exhaust design thread that's available in the stickies
What is a glasspack resonator? I asked him if a dif resonator (like Coby etc) would be a worthwhile replacement for the single muffler to which he replied, no.
10-24-12, 06:03 PM
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Had a look in various exhaust threads here, not a huge amount of info tbh.
Anyway, I cut the only exhaust out & straight piped it. So now it has 2 cats & straight to tip (dual each side) going into single in the middle. Sounds ****ing SAVAGE!! lol & how your uncles 1970 Camro used to
.
Will have some fun with this for a bit then most likely go 2.5" from cats to single with dual Magnaflows at the rear, keeping the same dual tips but just extend them a few inches to be flush with the bumper. Unless some can convince me that 2.25" is better than 2.5". I'm looking for the car to have a deep throaty rumble.
Anyway, I cut the only exhaust out & straight piped it. So now it has 2 cats & straight to tip (dual each side) going into single in the middle. Sounds ****ing SAVAGE!! lol & how your uncles 1970 Camro used to
. Will have some fun with this for a bit then most likely go 2.5" from cats to single with dual Magnaflows at the rear, keeping the same dual tips but just extend them a few inches to be flush with the bumper. Unless some can convince me that 2.25" is better than 2.5". I'm looking for the car to have a deep throaty rumble.
.
10-24-12, 07:56 PM
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What do you think about that DP?
10-24-12, 09:26 PM
#29
Mmmm interesting. I have just got back from chatting to a friend who was one of New Zealands top drifters. He has many years experience with cars & swears by 2.5" over 2.25" for a V8, says it produces a deeper note (which is what I am after). Also putting a balance pipe in ( near the cats). Reckons it takes away the cackle & sounds cleaner/more refined.
What do you think about that DP?
What do you think about that DP?
even 5.7L LSx chevy guys don't usually run more than 2.5in duals, unless cammed/tuned.
10-24-12, 09:30 PM
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x-pipe flows a lot better than an h-pipe does and refines the sound, 2.5 is great if you have a tuned big displacement V8, but otherwise 2.25 is it for anything under 5L. 4.6 mustang guys generally run 2.25 or 2.5 if modded, and they have a solid .6L over the 1uz.
even 5.7L LSx chevy guys don't usually run more than 2.5in duals, unless cammed/tuned.
even 5.7L LSx chevy guys don't usually run more than 2.5in duals, unless cammed/tuned.
What do you think about the cross pipe idea?
His brother (a close friend of mine) has a 58 Chev with an injected 350 that is stock & runs a cross pipe with 2.5" duals. Sounds chunky as ****! Love it!