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wira a/back 1.5 auto - help needed
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<blockquote data-quote="Izso" data-source="post: 1064355637" data-attributes="member: 2429"><p>I think Desmond has already responded to you. Personally I'm using 4-2-1 with a large resonator, not a bullet. I've tried bullet and I don't feel any difference at all. Don't believe the FC claims when it comes to exhaust. The difference in FC will be so minimal it'll be neglible. Aim for torque and driveability. Forget about everything else.</p><p></p><p>I recommend you get a 4-2-1, large resonator / muffler (midbox), S-flow rear muffler. If you can afford it, consider adding a high-flow catcon. Otherwise just de-cat. All piping 1.7 inch diameter. But word of warning, this setup like all aftermarket setup will be noisy. Even with the quietest Sflow muffler the exhaust will be louder than stock. If you like quiet, stay with stock. Forget about the 'swirl' bullet. </p><p></p><p>And seriously consider changing your exhaust last after you've done all other types of mods that you want to do.</p><p></p><p></p><p></p><p>If it's vibrating like that it might be the gearbox mountings too. Did you change those? But if the vibration isn't too excessive, just "N" it everytime you stop for longer than 10 seconds la. Injector dirty wouldn't cause excessive vibration like that, you'll get very jerky performance from the car. But injector cleaning is worth doing though. Ultrasonic injector cleaning. About RM80 (i think) to clean one injector. Usually done by a machine. Don't bother with those injector cleaning additives and all. </p><p></p><p>Knocking when accelerating - did you check your spark plugs? Are your spark cables ok? Clean your injectors then only see how.</p><p></p><p></p><p></p><p>Nice to have forummers like you who are willing to discuss, try and give feedback without any pre-conceptions.</p></blockquote><p></p>
[QUOTE="Izso, post: 1064355637, member: 2429"] I think Desmond has already responded to you. Personally I'm using 4-2-1 with a large resonator, not a bullet. I've tried bullet and I don't feel any difference at all. Don't believe the FC claims when it comes to exhaust. The difference in FC will be so minimal it'll be neglible. Aim for torque and driveability. Forget about everything else. I recommend you get a 4-2-1, large resonator / muffler (midbox), S-flow rear muffler. If you can afford it, consider adding a high-flow catcon. Otherwise just de-cat. All piping 1.7 inch diameter. But word of warning, this setup like all aftermarket setup will be noisy. Even with the quietest Sflow muffler the exhaust will be louder than stock. If you like quiet, stay with stock. Forget about the 'swirl' bullet. And seriously consider changing your exhaust last after you've done all other types of mods that you want to do. If it's vibrating like that it might be the gearbox mountings too. Did you change those? But if the vibration isn't too excessive, just "N" it everytime you stop for longer than 10 seconds la. Injector dirty wouldn't cause excessive vibration like that, you'll get very jerky performance from the car. But injector cleaning is worth doing though. Ultrasonic injector cleaning. About RM80 (i think) to clean one injector. Usually done by a machine. Don't bother with those injector cleaning additives and all. Knocking when accelerating - did you check your spark plugs? Are your spark cables ok? Clean your injectors then only see how. Nice to have forummers like you who are willing to discuss, try and give feedback without any pre-conceptions. [/QUOTE]
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wira a/back 1.5 auto - help needed