Quick question.
Got a price on a new exhaust today.
Ok cool with the prices but everyone says go rc40.
now the guy from cortis exhaust said he can fit a straight through muffler if i want instead.
Now is this going to be in my favour having less resistance in the muffler???
I know i should stick to 1.75 pipe for max performance.
p.s. its a mk2 cooper s mildly worked.
unit

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Cooper S Mk 2

Okay well i've had 7 exhausts on minis.
And my favourite has to be the Lukey "performance" muffler.
Its similar size to the RC40 and is just a resonator.
Awesome, crisp note.
Thats my recommendation.
RC40 is expensive for a "generic" muffler, and wank value too.

the straight through type will give maximum HP, and also sound much louder..

my favourite was the Lukey straighthrough race muffler, sounded race on my old deluxe.. i wonder if it still has it on there.

i paid like 50 bucks for it too, but now i don't know where to get them from, as kev at minitech now sells something else..

well i plan on getting a blueslip the same day(after new exhaust)
so will the straight through be too noisy
unti

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Cooper S Mk 2

yes probably...

my mate put a twin peko box on sounds sweet

cost to much thought

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Current Ride : Toyota Trueno AE86

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get a resonator or hotdog in the middle the a straight thru muffler of your choice at the back,
im running a twin box rc40 which is a 1 3/4 pipe resonator and then straight thru muffler

measured a nice 91db nice sound too

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1152cc turbo A-series now with 125.7hp at the wheels !

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I run a single box RC40 on Ha-Ha and a Lukey straight thru on Barney. Lukey make lots more noise.. car sounds faster but isn't...

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

RC-40 will give you better HP over the single box - all things being the same. Believe it or not, the twin box RC-40 gives better hp figures than the single one. Prices for the RC-40 are around the $185 and without the connecting pipe.

I like my lukey - easy to fit and sounds good. good at spraying sooty water all over cars parking too close to me...lol

Hooroo

Rob Forsyth
Miniot!!

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Rob Forsyth
Miniot!!

Single box RC40 on my 1285 sounds pretty boring. Depends on if you want a nice raspy sound I guess.

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

I've got an RC40 twin box on my van, sounds ok but nothing exceptional. By contrast I had a Lukey on the Cooper S and with the Brownriggs this sounded sensational, though a lot louder than the RC 40.

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Slide
1965 Mini Van (1360)
1970 Mk2 Cooper S (1310)
1978 Rover SD1 V8 (4.6)
1996 Land Rover Discovery V8 (4.0)

get some pvc pipe with a milo can on the end

You talking about the JunBLs mate
Theyre nice.
But look very out of place on some cars.

It seems that Lukey is getting a lot of business by us mini blokes!

Might be time for a comeback of the old copper pipe with Coke can on end.. we had this on the baby Austin 7 paddock basher, and it sounded lovely!!

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.