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  1. Backboxes and Exhausts for my Astra

    Astra H
    Afternoon, I've got a 1.6l Astra Design Hatchback Mk5 and want to look at making it a little more sporty and rumbly without going mad, too loud and illegal. I'd like to get a backbox or exhaust system that will achieve this without failing the MOT on emissions, sounding too loud or something...
  2. Hey Guys & Girls I'm new to the forum and need some advice.

    Performance Tuning & Modifying
    I have a 2006 Astra H sports hatch 1.4l I have already done some mods to it such as. Air filter wind deflectors RGB lighting allloys resprayed calipers painted I am looking at a couple of back boxes to make my car sound a bit louder. I have been looking at.. Sportex...
  3. Astra j 1.4t 2015 limited edition centre exhaust silencer delete

    New Member Introductions
    hi all new to this forum, ive been looking to delete my centre silencer on my astra j, but when i look on ebay for a pipe they all say they dont fit my model. Just wondering if anyone had any information on the correct pipe
  4. Make my exhaust louder.

    Astra H
    Iv seen a few posts about making the exhaust louder, does anyone know any decent places in south London that can do this for me. Iv got a 1.6 sxi but want some decent noise from it
  5. help

    Astra H
    Hi guys, My 10 Astra H 1.4 Active had a blow in the exhaust when I bought it. Was meant to take it back to the guy who's a mechanic but he passed on sadly. Anyway, the blow seems to be getting louder as expected but when I lift off the accelerator (and sometimes knock it into neutral) it makes...
  6. Cold Tailpipe

    Astra Chat
    Anyone know what would cause exhaust pipe to stay cold/barely warm even when car is up to temperature and has been driven. I can easily place my hand on the chrome cover and even touch the pipe behind that. Any ideas people or any of you experienced this or similar etc?
  7. Excessive Vapor & Cold Exhaust

    Astra J/GTC
    Astra J Sports Tourer 1.4 Turbo. I seem to have a lot of vapor from the exhaust. I know in winter and cold weather its a lot worse and im living in a cold climate where it freezes and snows this time of year and I see a lot of cars that are not warmed up emitting lots of heavy steam but my car...
  8. Performance exhaust for Astra twintop

    N/A Tuning
    Hi folks this is my first post. I have an astra mk5 1.8 twintop and I was looking for a performance exhaust. I seen the one I wanted but was told it wasn't for the twintop but only for the mk5 but I assumed that the chassis on all the mk5's would be the same. So can someone please tell if the...
  9. Exhaust Suggestions?

    Astra H
    Hi Everyone, I am new to this thing but I am looking for an exhaust on my Vauxhall Astra SRI VVT 1.8 2009 car, I want one that pops... loudly! But at the same time do not want it to sound like a boy racer car;) Suggestions or links would be great! Thanks!!!
  10. Best Exhaust For a 1.6?

    Astra H
    Have an Astra 1.6 sitting here the way i want it only thing I need is a nice sounding exhaust to go with it so if anyone has any recommendations they'd be appreciated Don't want something too loud just something that has a nice rumble to it
  11. GTC Exhaust, also first post :)

    Astra J/GTC
    Hi guys, Just wondering is it possible to remove the original exhaust from my 1.4t gtc without cutting it up? Bought a new scorpion cat back and want to keep the original intact for when i come to sell the car in years to come. If I have to cut it then so be it but id rather lay on the floor all...
  12. Exhaust

    Astra H
    Looking a bit more of a grunt out of my 1.7 but not looking to buy a full exhaust set up, if i remove the back box will it increase the noise? Don't have any idea about exhausts, any help would be welcome :)
  13. Exhaust Tip

    Astra H
    Currently driving a 1.7 which happens to be one of the Astras that doesn't have an exhaust tip coming out the back bumper and has a downturn exhaust instead, basically im wondering if there's any way i can fit an exhaust tip, preferably without having to cut a space for it in my bumper, anyone...
  14. New exhaust needed - advice please?

    Astra H
    Hi everyone, Took my 56 plate 1.9 Diesel TT for a service at my local VX yesterday and was told that it would fail its upcoming MOT because my exhaust system is 'broken between the centre and rear box'. Because of the location of the break, I'm going to need both sections replacing and my...
  15. hoffman race tube

    Astra H
    looking at buying a hoffman race tube but wanting to know if the standard back box will fit onto it dont want loads of noise as i did with my previous corsa (decat staright through and corbra sprot back box) just want something to make it sound raspy but not look any different to standard
  16. Rear diffuser for astra H non VXR

    Astra H
    I want to get a rear diffuser for my astra H i have a custom dual exhaust system, straight pipe with one centre sports box, lowered on eibach sportline springs, with 30mm hubcentric spacers on each rear wheel, I have an XP kit fitted but would love to have the diffusers with fins, ive seen add...
  17. Horrible Whistle at 4k revs after installing new back box astra 1.9

    Astra H
    Hello, I have just installed a sportex performance backbox on my astra 1.9 and when reving past 3k revs there is a horrible whistle comming from somewhere that wasn't there before i installed the back box, can someone please tell me what this is?
  18. exhaust front flexi pipe?

    Astra H
    im in need of a new front flexi pipe as it has a hole in but the garage cant find anywhere that stocks the part so i said i'd try get a hold of one, now i cant find one! does the vxr one fit my z20lel or is there anything that replaces the flexi pipe and where do i buy it from? any parts codes...
  19. Tuning....worth it in this case?

    Astra H
    So i fitted the custom decat branch and 50mm stainless exhaust in my 1.8, and ive loved the driving experience even more. As any of us do when we get a better sounding exhaust :D But since then ive been wondering if its necessary to go get it remapped for 750, or save that and wait to get a...
  20. Tuning Advice - Astra SRi 120 8v

    A.O.N - Club Membership
    Hi all - I'm looking for advice on what you would recommend for upgrading the performance for my 120 8v SRi - also, what gains I would see and rough costs would be awesome - cheers!