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Without a tune, do the following parts make a noticeable (if somewhat minor) increase in power/responsiveness: silicon charge tubes, larger midpipe and secondary cat-delete pipe. Judging on the reduction in swelling over the stock pieces, the silicon tubes seem like they might help with...

I lack cruise control on my Sonic so I assume I can't turn the Trifecta on and off. Will I run into any durability problems with the performance tune "on" all the time? I drive sanely most of the time, rarely topping 3000rpm.

If I purchase the Trifecta cable (to keep) and budget tune, will I able to flash back to stock myself should the need arise, i.e. returning to the dealership for warranty work? I'm new to the whole tuning thing. Basically, does the cable essentially make my laptop a handheld tuner allowing me to...

I currently have a ZZP catback with muffler and need to quiet it down for my little one in the backseat. Is the Borla/GMPP system quieter? I see it uses a resonator along with a muffler. Should I just go back to stock or is that a lot more restrictive? I plan on going with a mild tune in the...

This probably a stupid question. I see K&N has a nice little dyno chart on their site showing a 7hp increase with the use of their intake on our 1.4s. Am I right in guessing these gains will slowly disappear as the computer re-learns to deal with the new extra air coming in like it apparently...

I know most here will push for the Trifecta tune but I think I'm more interested in the tuner from Bully Dog. I'm not interested max power but rather a nice gain in hp/tq and engine durability over the long haul. Bully Dog tuners appear to be on the conservative side. I've read they don't...

I want to slightly lower my 2012 Sonic LT for better handling purposes. Eibachs seem a little too low for my taste. Will RS struts, springs and bumpstops work for what I'm after? Where's a good place to get them? Thanks.

In my travels I see few Sonics and only one turbo around town. Its also the only one with mods. This black hatch has blue bowtie emblems front and rear and amber inboard headlights. Has anybody else seen these for sale anywhere? The closest I could find was a blue decal that went over the stock...

Just out of curiosity, is there an optimal pipe size for our little 1.4 Turbo 4s? Aftermarket systems seem to be either 2.5" or 2.25" in diameter. To be honest, 2.5" seems a little big. Is there a loss of torque with the larger pipe size or do both really perform about the same?

I'm debating between ZZP's catback with muffler and DDM's catback with resonator. Funds are tight as always. The problem is I really like the DDM system's sound. Its perfect. I don't like the price. The ZZP system is the right price but I'm afraid it will be too quiet as the turbo seems to soak...

Hello everybody. I've been lurking for a few months and finally decided to sign up. I've had my Sonic for just about a year now and am contemplating exhaust. I'm an old school kinda guy more used to V8s than these new small displacement turbo 4s. Seeing as the DDM works exhaust appears to be the...