Engine Manufacturer Price Weight HP RPM's Muffler/Pipe
ASP-46 ASP $103- 412 Grams 1.3@ 17,000 Muffler/Pipe
Enya-50SS Enya Muffler/Pipe
Enya-50 CX Enya $135-
FOX-46 Fox $105- 13 oz. Muffler/Pipe
Fuji-46 (Coming Soon) Fuji $190-
GMS-47 Mecoa $70- Muffler/Pipe
GMS-47 Mecoa $80- Tuned Muffler
HP Gold Cup-40 Hirtenberger $150- 9.4/ 12.10oz. 1.2@ 15,000
Irvine-53 Irvine $123- 400 Grams 1.7 @ 18,000 Muffler/Pipe
Irvine-46 Irvine $110- 395 Grams 1.3@ 17,000 Muffler/Pipe
Jett-50 Jett Engineering $260- 16.5 oz. RTF 17,000
K & B-48 K&B $139- 19 oz. 2.0@ 15,000
Leo-46 Leo 340 Grams 1.45@ 16,000 Muffler/Pipe
Magnum-46XLS FSR Magnum $90- 13.1 oz. 16 oz. / Muffler/Pipe
Magnum-52A Magnum $120- 13.6/ 17.4 oz.
Mecoa-46 Mecoa $70- 12.4/ 15.10oz. 1.4@ 15,000 Muffler/Pipe
MVVS-49 MVVS $140- 13.40 oz. 1.54@ 17,000 Muffler/Pipe
Novarossi- Novarossi 2.2@ 18,000
OS-46FX OS $110- 13.2oz. 16.45 w/muff. 1.62@ 16,000 Muffler/Pipe
OS-50CX OS $160- 13.8 oz. 1.8@ 17,000 Muffler/Pipe
OS-50 FSR/Heli OS Discontinued unk. 1.8@ 17,000 Muffler/Pipe
Rossi/Powerhouse-45 Rossi $140-$150 430 Grams 2.1@ 16,000 Mini-Pipe
Rossi-53 Rossi $190- 440 Grams 2.2@ 18,000 Mini-Pipe
ST-45 Supertigre $95- 13.22 oz. 18.5 w/muff. 1.45@ 16,000 Muffler/Pipe
ST-51 Ringed Supertigre $110- 12.73 oz. 18.4 w/muff. 1.48@ 15,500 Muffler/Pipe
TT Pro-46 Thunder Tiger $77- 17.01 w/muff. 1.43@ 16,000 Muffler/Pipe
Tower-46 Tower Hobbies $80- 16.9 w/muff. 1.75@ 16,000 Muffler/Pipe
Webra-50 GT Webra $154- Muffler/Pipe
YS-45 YS Engines $180- 400 Grams 1.5@ 18,000 Muffler/Pipe


Or just go with a Saito 72 or YS-63