Genssi Turbo Sound Maker Tip Large 30mm Reviewhttp://tinyurl.com/nquy9zr Genssi Turbo Sound Maker Tip Large 30mm Genssi - Makes high pitched tone like a turbo car - It does not make the BLOW OFF SOUND, sorry.Fits most exhausts (NOTICE! If you have a lound exhaust you may not hear this product!)Exhaust ranging from 2-3 inches in diameter.30mm sound tip - Larger than standard 25mm sold by others!We offer 30 day Money Back Guarantee. Please no negative feedback if you end up not installing or want a refund. We support our customers fully. Please contact us if any trouble.
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