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Old 24th October 2013, 02:30 PM   #1 (permalink)
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Stage 3 or 4 advice :-)

I currently have a litchfield stage 1 and I am thinking of getting a stage 3 with down pipes or a straight stage 4 as I would like to have the bell housing mod done if I go for a stage 3 but it would have to wait if I went for the stage 4 as Christmas is looming lol , my car is booked in at litchfields to have the mpss fitted in November so will have the worked carried out then :-) has anyone had anything smillar done ? Thanks in advance
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Old 24th October 2013, 02:31 PM   #2 (permalink)
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3 is pointless as you are right at the top of the injector capacity which is not ideal.
So give stage 3 a miss, fit the bigger injectors and go straight to stage 4.

Or stick at 2.
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Old 24th October 2013, 02:34 PM   #3 (permalink)
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3 is pointless as you are right at the top of the injector capacity which is not ideal.
So give stage 3 a miss, fit the bigger injectors and go straight to stage 4.

Or stick at 2.
Thanks ct and yep I can see your point about maxing the injectors
Do the down pipes make much of a difference on the stage 4 ?
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Old 24th October 2013, 02:36 PM   #4 (permalink)
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Apparently so, but I never took my stage 4 car that far as I wanted it legal for emmissions and MOTs.
They sound better too.

Changing the Y pipe loses half the CATs, changing the downpipes loses the other half.

I suspect most of the cars on here highly tuned with downpipes will fail any exhaust emmission check.
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Old 24th October 2013, 02:39 PM   #5 (permalink)
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Apparently so, but I never took my stage 4 car that far as I wanted it legal for emmissions and MOTs.
They sound better too.

Changing the Y pipe loses half the CATs, changing the downpipes loses the other half.

I suspect most of the cars on here highly tuned with downpipes will fail any exhaust emmission check.
Thanks I best get a new mot first then
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Old 24th October 2013, 03:02 PM   #6 (permalink)
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Stage 4......... Job done
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Old 24th October 2013, 03:13 PM   #7 (permalink)
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Mine past mot in N.I with stage 4.25
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Old 24th October 2013, 03:29 PM   #8 (permalink)
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Downpipes are great, but they make a lot of noise, so if you non-res ypipe its going to be even louder. If you dont get the rear section of the exhaust done, you will get "booming" (at 67-72mph and yes it gets very annoying on long trips).

I have stage 4.25 (with panel filters, not the full intakes) and chose to get a silenced ypipe and keep the downpipes
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Old 24th October 2013, 03:33 PM   #9 (permalink)
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If 4 is as per litchfield and 4.5 is with downpipes, what on earth is 4.25?
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Old 24th October 2013, 03:34 PM   #10 (permalink)
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4.25 is with DP's

4.5 has upgraded turbo's as well to around 700/730hp
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Old 24th October 2013, 03:42 PM   #11 (permalink)
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4.25 is with DP's

4.5 has upgraded turbo's as well to around 700/730hp


downpipes got downgraded
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Old 24th October 2013, 03:50 PM   #12 (permalink)
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Thanks graham I already have the Y pipe fitted and I don't mind the noise as its a weekend toy when I get the chance to drive it
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Old 24th October 2013, 03:55 PM   #13 (permalink)
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Thanks graham I already have the Y pipe fitted and I don't mind the noise as its a weekend toy when I get the chance to drive it
Mine is the same, weekend toy.... also tracks dont like it, mine was above the 106db limit at Silverstone.
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Old 24th October 2013, 04:04 PM   #14 (permalink)
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Mine is the same, weekend toy.... also tracks dont like it, mine was above the 106db limit at Silverstone.

Wow that is loud luckly I have a litchfield warranty so I can't be tempted to do track days lol
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Old 24th October 2013, 04:09 PM   #15 (permalink)
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Wow that is loud luckly I have a litchfield warranty so I can't be tempted to do track days lol
you can still do trackdays with a warranty
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Old 24th October 2013, 05:10 PM   #16 (permalink)
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4.25

Got mine done, boy its loud so my neighbors tell me, Im just having a resonator fitted to cut it back a bit but its certainly impressive
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Old 24th October 2013, 05:18 PM   #17 (permalink)
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Lol @ downpipes getting downgraded

As Richard said even at stage II you're getting close to maxing the injectors so for me stage III is pointless. Might as well go straight to stage IV.

From a cost perspective also better to do mulitple changes in one jump to keep mapping costs down also.
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Old 24th October 2013, 05:20 PM   #18 (permalink)
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you can still do trackdays with a warranty
Thanks i really I didn't know that , I will just double check with litchfield
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Old 24th October 2013, 05:22 PM   #19 (permalink)
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Lol @ downpipes getting downgraded

As Richard said even at stage II you're getting close to maxing the injectors so for me stage III is pointless. Might as well go straight to stage IV.

From a cost perspective also better to do mulitple changes in one jump to keep mapping costs down also.

Cheers sambo , I think I will be going to the stage 4 but the upgraded bell housing will have to wait as getting the new mpss , stage 4 and pwpro wrap is going to wipe my budget lol
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Old 24th October 2013, 05:27 PM   #20 (permalink)
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Cheers sambo , I think I will be going to the stage 4 but the upgraded bell housing will have to wait as getting the new mpss , stage 4 and pwpro wrap is going to wipe my budget lol
Well you're in good hands with Litcho and Paul
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